C the presence of harmful substances in food
Answer: option A - bottleneck effect
Explanation:
Whenever sudden change caused by human or natural disasters occurs in the environment leading to the reduction of organisms or biodiversity present to a lower size, such condition is referred to as BOTTLENECK EFFECT.
Answer:
The heart beats slowly because oxygen consumption is reduced
Answer:
Now I know that my sense organs enable me to <em><u>Feel</u></em>
The answer would be Potential and kinetic energy
