Which processes contribute to the formation of chemical sedimentary rocks?

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organisms decay in a solution.
minerals dissolve and crystalize.
rock fragments squeeze together.
the remains of plants and animals.

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

What best explains the inability for life to exist in earth early atmosphere

Development has provided electrically for less money but what may be considered a cause of nuclear power