<span>One of the reasons PCB's have been hard to clean up from the puget sound is because they stay in the food chain. Once something is inside an animal it becomes much harder to remove from the environment than if it was just in water.</span>
Out of the choices given, the most important in determine the plant and animal population that can exist in an area is the temperature. Both plants and animals need a certain temperature to survive in certain areas. The correct answer is D, temperature.
Answer: China and India
Explanation: China's population is 1,389,618,778 and India's is 1,311,559,204.
Answer:
Hope this helps :)
Explanation:
Photosynthesis converts light energy to chemical energy.
A toaster converts electrical energy to thermal energy.
A wind turbine generator converts kinetic energy to mechanical energy.
Answer:
Mosquitos, roundworms and ticks.
Explanation: