Biology, 01.02.2020 03:44 kvngsavage15685
What is a compound?
a- a substance in which the atoms of two or more elements are combined together b-an atom with more neutrons than protons
c- a substance in which the atoms of three or more elements are combined together
d- an atom with more electrons than protons
Answers: 3
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Where is the nictitating membrane found? a. between the eyelid and the eyeball b. between the retina and the optic nerve c. between the outer and middle ear d. in the organ of corti in the middle ear
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Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.
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An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25
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What is a compound?
a- a substance in which the atoms of two or more elements are combined to...
a- a substance in which the atoms of two or more elements are combined to...
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