Answer:
The atoms of a chemical element can exist in different types. These are called isotopes. They have the same number of protons (and electrons), but different numbers of neutrons.
Explanation:
I believe it is atom, then tree seedlings, then a cat, then a fence panel, then a pecan tree and lastly the house
Answer:
B. How the organism is related to others
Answer by JKismyhusbandbae:
- decreases as altitude increases
- decreases with denser air
- equals mass divided by volume
I'm pretty sure it's the cell since it's the basic unit of life and can change to carry out any function
