Trace fossils are recognized as evidence of which pre-existing life? plants plants and animals neither plants nor animals animals

The correct answer is B. Plants and animals

Explanation:

Trae fossils refer to traces, prints of impressions of an organism that lived in the past, this occurs in the case the organism accidentally left an impression on a material that later hardens and remains over time. This also implies trace fossils only show the shape of an organism or parts of it but does not contain material fo the organism itself. This type of fossil has been used by scientists as evidence of past and extinct life forms included both animals and plants as fossils of reptiles, insects, fish, mammals, among others have been found but also fossils of some plants such as ferns.

the answer is a)

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conduction, convection, radiation