When you are mining for something you are using tech to break through the rocks you are causing a lot of erosion by break down the rocks. Plus you are causing a lot of radioactive substance which can harm the environment.
Hopefully that answers your question.
Answer: The answer to your question is........ A, <u>Covalent </u>bonds
Explanation: Covalent bonds occur when atoms achieve stability by sharing electrons. Covalent bonds are often represented as single lines in chemical formulas.
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Answer:
<em>Hello There the Correct answer is A. Variations.</em>
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Hope it helps!
Answer:
D fossil record
Explanation:
Depending on what layer of earth the fossil was recorded then they could determine a rough date. Then they would use carbon dating to be more exact.
The Black footed ferret would have lost it's main source of food!
