#3 What percentage of mammals extinction is caused by habitat loss? O 75%
O 83%
O 99%
O 25%

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures