The ultimate source of heat in the process of global warming is a. the burning of fossil fuels b. carbon dioxide c. the sun d. greenhouse gases select the best answer from the choices provided a b c d

C. the sun is the correct answer.

Explanation:

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs