Answer:
a) decreased soil nitrogen due to the harvesting of crops
Explanation:
I looked at my notes and made a 100 on the quiz.
Answer: A wave
Explanation: Waves move in that kind of up and down motion, a circuit is a straight line with energy flowing through it, a magnet is a pulling effect and a prism is a shape, not necessarily a motion.
Hope this helps ^_^
Answer:
C
Explanation:
heterotrophic oragnisms gain energy from other oragnisms and need to break down complex organic molocules to release energy.
