The answer to this question is choice d because it describes a nerve impulse
Answer:
Hormone
Explanation:
Which of the following does the endocrine system regulate?
I’m very sure it would be carbon dioxide, plants use carbon as part of photosynthesis, glucose is there food, oxygen is their afterproduct. So the answer is carbon dioxide
Answer:
A-color
Explanation:
Minerals could have the same color, and you can't depend on color to tell you that.