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dpscool0415 dpscool0415
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6 years ago
The earliest fish were ____.
 A)ray-finned
 B)boney-finned
 C)cartilaginous
 D)jawless
 E)jawed

Question 2

Sand covers approximately 75 percent of the world's deserts.
  Indicate whether the statement is true or false

Question 3

Why are soils considered one of our most precious natural resources?

Question 4

The crossopterygians were well-adapted to move onto the land because they had ____.
 A)lungs, but not necessarily a means for locomotion
 B)a means for locomotion, but not necessarily lungs
 C)cartilaginous skeletons
 D)lungs and a means of locomotion
 E)webbed feet

Question 5

All dunes have crests oriented perpendicular to the direction of wind movement.
  Indicate whether the statement is true or false
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lmalmalmalma
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6 years ago
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dpscool0415 Author
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6 years ago
This helped my grade so much Perfect
jmendoza
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Yesterday
Correct Slight Smile TY
patyfeitosa
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2 hours ago
You make an excellent tutor!
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