What does the theory of plate tectonics state about the earth's surface?
A. one solid piece
B...
Biology, 18.10.2020 01:01 klmklm3799
What does the theory of plate tectonics state about the earth's surface?
A. one solid piece
B. very thick compared to the mantle
C. mostly covered in water
D. broken into many pieces
Answers: 2
Biology, 22.06.2019 02:20
Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger
Answers: 3
Biology, 22.06.2019 02:40
How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.
Answers: 1
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Idon’t know the answer and i’ve been stuck on it for a while now skskskskks
Answers: 2
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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
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