Answer:
Consuming electricity and Transportation
Explanation:
Consuming electricity: Burning fossil fuels emits CO2, with coal releasing twice as much of the gas as petroleum.
Transportation: Whether for business or pleasure, locomotion is the second largest source of U.S. CO2 emissions.
Answer:
2 exact copies of double stranded DNA are made
Explanation:
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The answer is B.
Explanation: A recessive trait must be passed down from both parents
Answer: Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that is, able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.
Explanation: