Answer:
2
Explanation:
you take 1 billion and divide it by 0.5 and to check your work you would take your answer and multiply it by 0.5
Damage is caused to an ecosystem by adding fertilizer because some of the substances to the fertilizer is toxic or create bad reactions.
Answer:
Limbic System
Explanation:
The limbic system of the brain is responsible for behavioral and emotional responses.
I'm assuming that you want us to tell you what organism does these things. So it would be a plant.
Well those that are in that ecostems could died from no water or the could walk on it and it breaks