Biology, 23.01.2021 21:40, dhananjaynagarkar
What makes the core of the Earth denser than the mantle?
a. because the mantle isn't as hot as the core
b. because the core is under much more pressure causing more density
c. because the core is metallic iron and nickel which are denser than the materials than in the mantle
d. because the inner core is solid, and the mantle is semi-solid
Answers: 2
Biology, 22.06.2019 15:30, adrianaa34
Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz
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Biology, 22.06.2019 22:00, kprincess16r
The best instrument to use to separate the liquid portion from the solid portions in whole blood is a(an) a. compound light microscope. c. test tube. b. centrifuge. d. electron microscope.
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