Answer:
d
Explanation:
it can tear down and erode rocks, statues or even buildings but it can also form things such as sand dunes
Answer:
<em>elletrical. hope this helps!</em>
Explanation:
The oxygen needed for cellular respiration needs to be provided......acquired from breathing
Your nerves send feedback to the brain to tell you what you are touching. I suppose that is a feedback mechanism. I dunno if it is entirely helpful.
Light. That's the chemical equation for photosynthesis
