Which is an example of an igneous rock?
A. pumice B. talc
C. chalk
D. sandstone
E...
Biology, 18.05.2021 19:30 gustavitoperez
Which is an example of an igneous rock?
A. pumice B. talc
C. chalk
D. sandstone
E. marble
Hel
Answers: 2
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Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
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Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?
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The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed
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According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this? a. this implies that dna and proteins aren't essential in cells today. b. this implies that rna can catalyze any chemical reaction that enzymes catalyze. c. this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna. d. this implies that dna and proteins evolved after rna.
Answers: 2
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