What effects can occur when a volcano goes off?

They can cause rain, thunder and lightning.

Explanation:

ash, lava and rock that can cause disastrous loss of life and property, especially in heavily populated areas. 

the answer would be 3

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