Firacking opens cracks that exist in underground rock, allowing gas to escape back up through the well. Which statement best describes an environmental consequence of this process?

O Wastewater is contaminated with oil and becomes sludge in landfills.

During natural gas extraction, methane escapes into the atmosphere.

O Water vapor is released into the air, which is considered a greenhouse gas.

Heavy metals are released into surreunding soil, poisoning teeal vegetation.

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

d. planting trees

the trees take in carbon to make oxygen.