Earth's Resources: Human Impact on Resources Exams STRAIGHT A

Earth's Resources: Human Impact on Resources Which activities are ways to reduce the negative impacts humans have on Earth's resources? Select two options. eroding river banks moving to urban settings monitoring air quality burning fossil fuels building marine refuges monitoring air quality building marine refuges Commercial fertilizers, which are made by humans, are used to enrich soil for healthier crops. However, erosion may carry the fertilizer chemicals to the oceans. The presence of these chemicals may cause certain kinds of algae to reproduce rapidly. This decreases the amount of oxygen in the water, which can cause organisms that depend on it, like fish, to die. Which statements describe the impact of the use of fertilizers? Select two options. It improves the growth of crops. It provides more food for fish. It causes erosion and washes away soil. It causes the death of crops. It harms organisms that live in the oceans. It improves the growth of crops. It harms organisms that live in the oceans. The best action humans can take to decrease the effect of harmful growth and reproduction of algae is to: ban the use of fertilizers. decrease crop production. control the use of fertilizers. use other chemicals. control the use of fertilizers. Sand dunes protect beaches against erosion and flooding due to storms