Biology, 07.06.2020 18:57 veraanna2015
Decide if the following sentences are true or false. You have to correct the false ones.
a) There are four kinds of coal depending on their carbon content.
b) Coal is usually found in liquid state.
c) Fossil fuels are the result of the descomposition of plants and animals from the past.
d) Petroleum is the cheapest source of energy.
Answers: 2
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Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar
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The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids
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Decide if the following sentences are true or false. You have to correct the false ones.
a) There a...
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