Carbon monoxide is A) caused by ozone depletion
B) the same as carbon dioxide
C) extremely damaging to human blood
A
D) produced by plants during photosynthesis
O E) consumed by plants for photosynthesis

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

carbon atoms, hydrogen, oxygen, and nitrogen.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u