Answer:
because it's the most stably backed
Explanation:
It helps them complete tasks more quickly
I hooe i helped! Feel fre to mark brainliest!
Chemical contamination is when chemicals from industries or harmful sprays in farming get washed off into bodies of water.
Answer:
I can't give an honest answer cuz after reading it it's like a combination of all of them but it's seems more of origin and development
