The answer to this question is b carpel that's the answer
Matter makes up everything.
Answer:It can come from unstable atoms that undergo radioactive decay, or it ... Ionizing radiation can affect the atoms in living things, so it poses a health risk by ... Ionizing radiation comes from x-ray machines, cosmic particles from ... However, as with alpha-emitters, beta-emitters are most hazardous
Explanation:
Answer: Here's 4 so you can choose
How many stars are in space?
How far away from Earth are certain stars?
Are there other planets like Earth?
Could a large meteor ever strike Earth
Explanation: