A group of subjects, closely resembling the experimental group but not receiving the factor under study, which serves as a comparison to the experimental group. A negatively charged subatomic particle located outside the nucleus of an atom
Area on and around Earth where life exists |
Collection of preserved organisms or their traces stored in Earth |
Change in velocity (change in velocity divided by change in time) |
Height of a wave |
Stored energy The effect of waves coinciding to create a new wave pattern |