Environmental and Conservation Biology

Refer to the Keeling Curve appearing in figure 3-18. Although the overall trend in atmospheric CO2 ...

Refer to the Keeling Curve appearing in figure 3-18. Although the overall trend in atmospheric CO2 ...

Refer to the Keeling Curve appearing in figure 3-18. Although the overall trend in atmospheric CO2 concentration is increasing, there is a "sawtooth" pattern within one year intervals. Explain why CO2 levels in the atmosphere increase sligh

12

dada83   2348   20 Replies

Nafiza Tarannum

Part A Part B You are an Iowa farmer interested in decreasing the pollutants that are causing the

Part A Part B You are an Iowa farmer interested in decreasing the pollutants that are causing the

Part A
Depletion of which of the following is causing the dead zone in the Gulf of Mexico?
oxygen
phosphorus
carbon dioxide
nitrogen

Part B
You are an Iowa farmer interested in decreasing the pollutants tha

12345

Catracho   4200   58 Replies

Fernando Martinez Gonzale

If a pesticide kills 99.9% of a specific species of insect, which of the following best explains why, if they?

If a pesticide kills 99.9% of a specific species of insect, which of the following best explains why, if they?

Here's the whole question:

If a pesticide kills 99.9% of a specific species of insect, which of the following best explains why, if they share a universal genetic code, some of the insects survived?

1)There were recessive genetic disorders in the i

lemonz   3022   10 Replies

Minutebrew Blog

How does indoor pollution in developing countries differ from indoor pollution in developed ...

How does indoor pollution in developing countries differ from indoor pollution in developed ...

How does indoor pollution in developing countries differ from indoor pollution in developed countries?

Jose7up   171   2 Replies

iris d coley

Carbon dioxide reduction, capture and storage systems are currently

Carbon dioxide reduction, capture and storage systems are currently

Carbon dioxide reduction, capture and storage systems are currently
A) widely used in power plants that burn oil, natural, gas, and coal.
B) not possible with available technology.
C) costly and experimental, but promising.
D) only available for powe

Hef   69   2 Replies

morganmorgan

Discuss the artesian system that underlies South Dakota and extends to central Texas in the Dakota ...

Discuss the artesian system that underlies South Dakota and extends to central Texas in the Dakota ...

Discuss the artesian system that underlies South Dakota and extends to central Texas in the Dakota
  Sandstone What will be an ideal response?


Q. 2 - What is an artesian system? What three geologic conditions must ex

Ih8hw   128   2 Replies

ryancosper10

In most large cities, suburban commuters might benefit from the use of light rail systems for commut

In most large cities, suburban commuters might benefit from the use of light rail systems for commut

In most large cities, suburban commuters might benefit from the use of light rail systems for commuting. In most cities, if commuters switched from driving to rail commuting, they would
A) arrive at their destinations in half the time.
B) n

Alamojay   1621   2 Replies

WHITNEY ASHLEY YOUNG

The Basel Convention, Aarhus Convention, the exposure of the Navajo Nation to radioactive elements ...

The Basel Convention, Aarhus Convention, the exposure of the Navajo Nation to radioactive elements ...

The Basel Convention, Aarhus Convention, the exposure of the Navajo Nation to radioactive elements in mining operations, and the plight of residents of Emelle, Alabama, are aspects of
A) funding for the cleanup of toxic spills and contamination.
B) e

jacobysmith   493   3 Replies

Morgan Rawald

Hardened soils that have minimal infiltration and aeration may form cryptogamic crusts

Hardened soils that have minimal infiltration and aeration may form cryptogamic crusts

Hardened soils that have minimal infiltration and aeration may form cryptogamic crusts
A) consisting of algae, lichens, and mosses that stabilize the soil surface.
B) consisting of algae, lichens, and mosses that continue to erode the soil

Alamojay   772   6 Replies

Rob Smith

For more than 20 years, scientists have been analyzing expected climate change and the impact on cro

For more than 20 years, scientists have been analyzing expected climate change and the impact on cro

For more than 20 years, scientists have been analyzing expected climate change and the impact on crops grown in particular regions. For example, states that typically plant corn and soybeans may need to switch to growing cotton. Such a change is an e

Alamojay   1201   2 Replies

WHITNEY ASHLEY YOUNG

Which of the following environmental changes is most certain to occur?

Which of the following environmental changes is most certain to occur?

Which of the following environmental changes is most certain to occur?
A) The Earth's atmosphere will cool down.
B) The Earth's atmosphere will become warmer.
C) Already scarce resources will be replenished.
D) Biodivers

barry   3385   1 Reply

bolbol

To meet the energy needs of all humans, we would need to capture

To meet the energy needs of all humans, we would need to capture

To meet the energy needs of all humans, we would need to capture
A) all of the sun's energy striking the Earth.
B) all of the sun's energy just reaching the outer atmosphere.
C) only about 1% of the sun's energy striking

Alamojay   1040   2 Replies

James Schmidt

Much of the recent increased interest in nuclear power is related to

Much of the recent increased interest in nuclear power is related to

Much of the recent increased interest in nuclear power is related to
A) the limited supply of coal to generate electricity.
B) the limited supply of natural gas to generate electricity.
C) increasing costs of oil and gasoline.
D)

Alamojay   719   2 Replies

hpcastillo00

Increased reliance upon oil imports have generally paralleled

Increased reliance upon oil imports have generally paralleled

Increased reliance upon oil imports have generally paralleled
A) increased interest and involvement in Middle East politics.
B) increased interest in fighting global hunger.
C) decreased reliance on other fossil fuels.
D) decrease

Alamojay   518   2 Replies

Emily Hrina

Describe the differences in how fuel energy is used in developing and...

Describe the differences in how fuel energy is used in developing and...

Describe the differences in how fuel energy is used in developing and developed countries.

Mash   761   1 Reply

bolbol

Of all the sources of pollution noted in this figure, which one releases the greatest amount of toxi

Of all the sources of pollution noted in this figure, which one releases the greatest amount of toxi

Of all the sources of pollution noted in this figure, which one releases the greatest amount of toxic substances into the environment?
A) homes
B) automobiles
C) small businesses
D) industrial facilities

Alamojay   994   2 Replies

Nick C

Productivity and sustainability of ecosystems

Productivity and sustainability of ecosystems

Why can't an ecosystem be highly productive and sustainable at the same time?

uniqueenough?   57   1 Reply

bolbol

The soil structure resulting from the castings of earthworms

The soil structure resulting from the castings of earthworms

The soil structure resulting from the castings of earthworms
A) improves the infiltration and aeration of soil.
B) decreases the infiltration and aeration of soil.
C) decreases the nutrient-holding capacity of soil.
D) improves th

Alamojay   595   2 Replies

Rondale Bailey

Name body features that help big animals withstand hot climates

Name body features that help big animals withstand hot climates

The elephant and the hippopotamus are large animals that live in hot climates, while the large body size is typical of animals in cold regions. Due to what features of the body these animals can withstand the heat?

uniqueenough?   62   1 Reply

bio_man

HELP! I need the answers to questions 2 and 4. Due tmr

HELP! I need the answers to questions 2 and 4. Due tmr

An eager graduate student at Carleton, counts geese in the marshes off the Ottawa river. In 2004, they counted 2500 geese. During the next year, 500 goslings hatched, 45 immigrated, 200 died and 30 emigrated. Determine the following:
1. Populati

lily4ever   69   1 Reply

bolbol

Water in the oceans may become fresh water available to humans through the processes of

Water in the oceans may become fresh water available to humans through the processes of

Water in the oceans may become fresh water available to humans through the processes of
A) evaporation, condensation, and precipitation.
B) transpiration, purification, and precipitation.
C) precipitation and infiltration.
D) cond

Alamojay   750   2 Replies

WHITNEY ASHLEY YOUNG

Plants adapted to edge environments tend to be

Plants adapted to edge environments tend to be

Plants adapted to edge environments tend to be
A) tolerant of shade and prefer moisture.
B) tolerant of shade and dry conditions.
C) intolerant of shade and prefer moisture.
D) intolerant of shade and tolerant of dry conditions.

Yoshi   870   4 Replies

Keneni Gobard

If a person buys timber that is certified, he or she can be sure that it is

If a person buys timber that is certified, he or she can be sure that it is

If a person buys timber that is certified, he or she can be sure that it is
A) grown without synthetic pesticides and fertilizers.
B) made from recycled wood chips.
C) sustainably harvested.
D) harvested and milled by hand.

12

darla   1700   14 Replies

Da_Nesha Miller

Explain how a seismograph works.

Explain how a seismograph works.

Explain how a seismograph works.

barry   537   1 Reply

bolbol

Where would you expect to find the cheapest meat in the world?

Where would you expect to find the cheapest meat in the world?

Where would you expect to find the cheapest meat in the world?
A) Europe and North America
B) Asia
C) Africa
D) Central America

Alamojay   603   2 Replies

Emily Hrina

Drag each label to the correct location on the diagram.

Drag each label to the correct location on the diagram.

Sources of groundwater:

Drag each label to the correct location on the diagram.

Recharge zone
groundwater
unconfined aquifer
confined aquifer
water table
Artesian well 

Catracho   2343   10 Replies

Tyler Porter

A relatively inexpensive feed for cows is ____.

A relatively inexpensive feed for cows is ____.

A relatively inexpensive feed for cows is ____.
 
  a. corn c. wheat
  b. grass d. oats

Question 2

When writing your speech, you should use short sentences of _____ words or less.
 

chmonday   165   2 Replies

Nathaniel Pigg

Distilling salt water to make fresh water relies upon the processes of

Distilling salt water to make fresh water relies upon the processes of

Distilling salt water to make fresh water relies upon the processes of
A) precipitation and infiltration.
B) transpiration and evaporation.
C) evaporation and condensation.
D) condensation and transpiration.

Alamojay   1067   3 Replies

juliadavid

The Basel Convention, the exposure of the Navajo Nation to radioactive elements in mining operations

The Basel Convention, the exposure of the Navajo Nation to radioactive elements in mining operations

The Basel Convention, the exposure of the Navajo Nation to radioactive elements in mining operations and the plight of residents of Emelle, Alabama, are aspects of
A) funding for the cleanup of toxic spills and contamination.
B) ecosystem p

Alamojay   2002   5 Replies

Kyle S1

A small city's sewage-treatment plant orders a 55-gallon drum of isopropyl alcohol to be used to pre

A small city's sewage-treatment plant orders a 55-gallon drum of isopropyl alcohol to be used to pre

A small city's sewage-treatment plant orders a 55-gallon drum of isopropyl alcohol to be used to prepare cleaning products. However, when the drum arrives, it contains methyl alcohol, which they cannot use. The manager says to reorder and get th

Alamojay   712   3 Replies

Emily Hrina

Suspicious citizens worry about the large amounts of toxic materials handled by the large pesticide

Suspicious citizens worry about the large amounts of toxic materials handled by the large pesticide

Suspicious citizens worry about the large amounts of toxic materials handled by the large pesticide manufacturer just outside the city limits. These citizens contact the mayor of the town with their concerns. The mayor says that according to the EPCR

Alamojay   986   11 Replies

Kyle S1

An effective strategy for protecting the endemic species of the Sky Islands could be to ________.

An effective strategy for protecting the endemic species of the Sky Islands could be to ________.

An effective strategy for protecting the endemic species of the Sky Islands could be to ________.
A) Protect the smallest Sky Islands and leave the rest open to logging and development
B) Protect one large Sky Island at each end of the moun

Nimaa   1500   3 Replies

Kevin Colbeck

Population growth and fertility rates are lowest in

Population growth and fertility rates are lowest in

Population growth and fertility rates are lowest in
A) upper-income countries.
B) upper- and middle-income countries.
C) middle- and low-income countries.
D) lower-income countries.

Alamojay   479   2 Replies

Assshhhllleeeey

Which of the following involves blue water?

Which of the following involves blue water?

Which of the following involves blue water?
A) percolation of water through soil
B) transpiration of water from leaves on a bright sunny day
C) evaporation of water from a lake on a windy day
D) the formation of a dense layer of f

Alamojay   1069   2 Replies

Natalie Charles

Which of the following slows the global hydrologic cycle?

Which of the following slows the global hydrologic cycle?

Which of the following slows the global hydrologic cycle?
A) increased atmospheric pollution with aerosol particles
B) increased use of pesticides
C) increased evaporation from land surfaces
D) global warming

Alamojay   595   2 Replies

Natalie Charles

Which of the following is an example of condensation?

Which of the following is an example of condensation?

Which of the following is an example of condensation?
A) the loss of water from leaves of a tree
B) the absorption of water by the roots of a plant
C) the formation of clouds
D) the formation of snow

Alamojay   382   2 Replies

Natalie Charles

Global temperature trends can be inferred from changes in ________ and ________.

Global temperature trends can be inferred from changes in ________ and ________.

Global temperature trends can be inferred from changes in ________ and ________.

Compared to the 5-year period 1971-75, approximately how much warmer has the Earth's temperature become during the more recent 2001-2005 5-year period?

chemist   3735   1 Reply

bolbol

What pH must the solution have to yield a solution in which the concentration of X+ is 6.00×10?3M ?

What pH must the solution have to yield a solution in which the concentration of X+ is 6.00×10?3M ?

As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively. A sparingly soluble salt, Herbigon is dissolved in 1 M acetic acid for technical reason

dariusz40   1542   2 Replies

Pedro Lapagesse

Nonpersistent pesticides can be more dangerous than persistent pesticides because they usually

Nonpersistent pesticides can be more dangerous than persistent pesticides because they usually

Nonpersistent pesticides can be more dangerous than persistent pesticides because they usually
A) are more toxic.
B) last longer in the environment.
C) are radioactive.
D) are broken down into nontoxic products within a few weeks

Alamojay   583   3 Replies

Owen Webber

For more than 60 years, the city of Milwaukee, Wisconsin, has been selling its processed and sterile

For more than 60 years, the city of Milwaukee, Wisconsin, has been selling its processed and sterile

For more than 60 years, the city of Milwaukee, Wisconsin, has been selling its processed and sterile sludge as Milorganite® using the process of
A) pasteurization.
B) composting.
C) centrifugation.
D) anaerobic digestion.

Alamojay   469   2 Replies

Heather Mott1