The sun is the primary source of energy that drives all the biogeochemical cycles on earth. which statement best describes how the sun’s energy powers the water cycle? 1.plants require energy from the sun to perform photosynthesis.2.the sun's heat reflects off ice sheets near the polar caps, reducing the overall temperature of earth.3.heat from the sun drives evaporation, turning water on earth's surface into water vapor.4.energy from the sun provides the warmth necessary for cold-blooded animals to survive.
Answers: 1
Biology, 22.06.2019 13:10, hcoulter15
Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
Answers: 2
Biology, 22.06.2019 23:10, isaacb6727
Accuracy in the translation of mrna into the sequence of amino acids in a polypeptide depends on specificity in which of the following? 1) binding of ribosomes to mrna 2) shape of the a and p sites of ribosomes 3) attachment of amino acids to trnas 4) bonding of the anticodon the codon and the attachment of amino acids to trnas
Answers: 1
Biology, 23.06.2019 00:00, harleyy6802
Darwin’s studies of finches on the galápagos islands suggest that the finches’ differences in beak structure were most likely directly due to:
Answers: 1
The sun is the primary source of energy that drives all the biogeochemical cycles on earth. which st...