Biology, 20.05.2020 22:00 myrkaxsanchezz
What causes eclipses? Select three options.
Earth’s rotation on its axis
moon’s shadow covering the Earth
Earth’s shadow covering the moon
Earth’s orbit and moon’s orbit occasionally aligning
the moon and Sun’s gravity pulling in the same direction
Answers: 3
Biology, 21.06.2019 19:00
Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.
Answers: 1
Biology, 21.06.2019 19:30
Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.
Answers: 1
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Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.
Answers: 1
What causes eclipses? Select three options.
Earth’s rotation on its axis
moon’s s...
Earth’s rotation on its axis
moon’s s...
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