Multiple Choice
Humans alter the sulfur cycle by
A) burning fossil fuels.
B) mining rock.
C) applying too much fertilizer to crop fields.
D) clear cutting tropical forests.
Correct Answer:
Verified
Correct Answer:
Verified
Q39: The damage to an ecosystem caused by
Q40: Organisms that live in deep sea ocean
Q41: _ are characteristics of an entire system
Q42: Primary consumers are also known as<br>A)carnivores.<br>B)scavengers.<br>C)decomposers.<br>D)herbivores.<br>E)top carnivores
Q43: As the hydrogen ion [H<sup>+</sup>] concentration in
Q44: Which is not a characteristic of acids?<br>A)they
Q46: The length and complexity of a food
Q47: Energy is the ability to<br>A)move objects.<br>B)become heated.<br>C)transfer
Q48: The motion of a rock rolling downhill
Q49: Photosynthesis is a step in the global