GIVING BRAINLIEST how big is the earth like around the earth?

The correct answer to this question would be 196.9 million miles squared.

Explanation:

The Earth's surface area is equal to 196.9 million mi^2. That is A LOT. I hope this helps :)

trachea, alveoli, lung capillaries, arteries

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