Scientists study how radioactive isotopes in rocks, such as Carbon-14, decay to tell the age of rock.

Explain how knowing the half-life of Carbon-14 can tell scientists the absolute age of a rock sample.

Why is excretion necessary to maintain homeostasis?

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.