How are individual atoms of oxygen formed in the stratosphere?
a.
individual oxygen atoms are formed when oxygen molecules collide with each other.
b.
individual oxygen atoms are formed in the sun.
c.
individual oxygen atoms are formed during photosynthesis.
d.
individual oxygen atoms are formed when uv rays strike oxygen molecules.

Select all the true statements about the cosmic microwave background radiation

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.