Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
I think it is Authority hope this helps
Separation of sister chromatids
Answer:
It is the Central nervous system and the Peripheral nervous system
Explanation:
The central is made up of the brain and spinal cord. The peripheral is made up of nerves that branch off from the spinal cord and extend to all parts of the body
Answer:
Identifying the fossil is the first step. We have already identified this fossil as a clamshell. We know clam are from the sea, but if you didn't, you could conclude this from knowing where you found the fossil (likely near the beach). Discovering where it is can also lead you to a conclusion on it's arrival as a fossil, perhaps washed up on shore or buried by an animal.
Explanation:
