O2 is much less soluble in water than in air, so it is more useful to describe its abundance in air as Group of answer choices

partial pressure

weight percent

viscosity

volume

satellites are frequently used to make observations of the orbit on earth

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