Write and solve an algebraic equation to find the original mass of a sample of the radioactive isotope uranium-235, which has a half-life if 704 million years. Your sample is about 700 million years old and has a mass of 120 g

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

i dont know this but ask your teacher for !

it’s lava came from an explosive eruption

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