1. The heart has four
that are enclosed by thick, muscular walls....
Biology, 05.05.2020 12:02 kamila20394
1. The heart has four
that are enclosed by thick, muscular walls.
Answers: 3
Biology, 21.06.2019 20:00
Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle
Answers: 1
Biology, 22.06.2019 05:20
The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
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Biology, 22.06.2019 12:00
Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?
Answers: 2
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