Soil is best described as A.
a mixture
B.
a pure substance
C.
an element
D.
a compound
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Study the image of this rock.which characteristic best supports its formation from sedimentary processes? it has many layers.it is coarse-grained.its grain shape is round.its texture is non-banded.

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow