Their safety is dangerous when they don't use a common measurement is because they don't know what are safe amounts of this dangerous chemical for them to use. Because they're using dangerous chemicals without a common measurement - this obviously puts them at risk.
Answer:
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Explanation:
DNA is called the blueprint of life because it contains the instructions needed for an organism to grow, develop, survive and reproduce.
Answer:
A: Human settlements block migration routes and decrease the land available.
Explanation:
Humans take away the land from the animals making it harder for animals to be able to live in the location and respond well