A weather forecast that predicts that future weather will be the same as present weather is called ...

A weather forecast that predicts that future weather will be the same as present weather is called ____.
 A) a steady-state forecast
  B) the trend method
  C) a persistence forecast
  D) the analogue method

Question 2

Some scientists believe that Earth is in a comparatively warm part of an ice age.
  Indicate whether the statement is true or false

Question 3

The primary source of water vapor and carbon dioxide for Earth's early atmosphere was most likely ____.
 A) photosynthesis
  B) ozone reactions
  C) outgassing
  D) nitrogen chemical reactions

Question 4

Which forecasting method assumes that weather systems will move in the same direction and at approximately the same speed as they have been moving?
 A) persistence forecast
  B) probability forecast
  C) steady-state (trend) forecast
  D) climatological forecast

Question 5

Everything else being equal, a gradual increase in global CO2 would most likely bring about ____.
 A) an increase in surface air temperature
  B) a marked decrease in plant growth
  C) a decrease in evaporation from Earth's oceans
  D) no change in global climate

Question 6

Earth's first atmosphere (approximately 4.6 billion years ago) was most likely composed of ____.
 A) nitrogen and oxygen
  B) hydrogen and helium
  C) carbon dioxide and nitrogen
  D) oxygen and carbon dioxide

Question 7

A chart that plots how air temperature has changed over the past five days at a given station is a(n) ____.
 A) sounding
  B) meteogram
  C) atmospheric model
  D) ensemble forecast