Why is bauxite the most common ore that aluminum is extracted from? select the two correct answers
1. it contains pure alumimum metal.
2. it is also used in jewelry as a gem.
3. it is located near the surface and can be easily strip mined.
4. it is the most abundant ore of aluminum.
5. it can be refined in a single step.

it would be heredity

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