Answer:
Humans are responsible for the environmental pollution in many ways . Some of the points are as follows :
1 ) People throw the wastes wherever they like instead of using dustbins .
2 ) The various types of gases from the industries which harms the nature .
3 ) Cutting off the trees . ( people can cut but also must plant a new one )
4 ) Farmers using different chemical substances in high amount in the crops .
5 ) Burning plastics , tires etc .
This was my way to answer the question , if you need then you can write in paragraph .
let me know if its incorrect . :-)
Origins of life number 4 is living beings
Answer:
the kidneys
Explanation:
The kidneys help maintain the acid–base balance by excreting hydrogen ions into the urine and reabsorbing bicarbonate from the urine.
Your answer is C,
Our body stores calcium, and other minerals
our body temp is also regulated by our skeletal system
and our skeleton protects vital organs
