Answer:
Experiment
Explanation:
An experiment is conducted to test the activity of the caffeine in the blood stream of the athlete
<span>Migration, genetic drift, speciation, and natural selectio are the</span> factors are common to both gradualism and punctuated equilibrium. Gradualism meaning gradual and suddenly happened, while punctuated equilibrium means taking over time.
There are 4 valence electrons
Continents move and the earth's surface changes over time
