Biology, 19.12.2019 02:31 sierra6816
Which type of fossil is an imprint made by an organism that was preserved in rock? a. cast fossil b. sedimentary fossil c. mold fossil d. petrified
Answers: 1
Biology, 22.06.2019 02:30
In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring
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Biology, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
Biology, 22.06.2019 06:00
Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.
Answers: 1
Biology, 22.06.2019 10:30
The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
Answers: 1
Which type of fossil is an imprint made by an organism that was preserved in rock? a. cast fossil b...
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