How many significant figures are in 400?

They can come in and out of our lives to give us guidance, teach us about ... Your spirit animal often represents qualities and attributes that you may see in yourself. ... But pay attention to the details like specific behaviors, character traits, habitat, ... is a certified instructor, and has plans to incorporate movement into her work.

Explanation:

good thing- during decomposition the organic molecules in organic matter are broken down into simpler organic molecules that require further decomposition or into mineralised nutrients

bad thing- it can be harmful in crop productivity

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: