4 Cells and 10 Chromosomes is your answer .-.
Answer:
B
Explanation:
Adaption occurs though natural selection and genetic variation
It contains 4 key elements carbon, hydrogen, oxygen and Nitrogen. so your answer is nitrogen
Answer:
Explanation:
Your heart is racing because you're breathing hard and trying to catch your breath which makes your lungs expand and contract quickly. By sweating your body is trying to reach homeostasis by cooling you off. Just a simple explanation.