Answer:
Compost fertilizer can only be organic if the products used in the fertilizer are organic.
Explanation:
Meaning it’s made out of organic fruits and veggies.
No. Scientists have never predicted a earthquake. We do not know how, and we do not expect to know how any time in the foreseeable future.
the main human activity is air pollution
1/2 of a radioactive substance will remain after 3 half lives.