Rosa has a vegetable garden. She places earthworms, which are decomposers, in the garden soil.
What is Rosa most likely trying to do?
prevent insects from eating the plants
create usable food energy for the plants
enrich the soil with nutrients
kill the bacteria in the soil

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Can someone me with 3 and 4 plz. this is for masteries test.