How do scientists use relative and absolute ages of rock layers to estimate the ages of fossils?

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided