Human made gases that contain a combination of chlorine, fluorine, and carbon. The combination of these gases put a hole in Earth's ozone layer. A. Chlorofluorocarbons
B. Ozone
C. Global Warming
D. Greenhouse gases

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

Which beat describes the brain stem

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks