Most people are lactose intolerant as adults, but nearly everyone produces sufficient lactase as an infant. however, in some cases, genetic mutations can occur that make an infant lactose intolerant. from an evolutionary perspective -- over thousands of years -- why would lactose intolerance in infants be very rare in the population?

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

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