Evidence from countries that continued using DDT showed that correct and timely use of indoor spraying can reduce malaria transmission by up to 90%. In the past, India was able to use DDT effectively to substantially cut the number of malaria cases and deaths.
It also was effective for insect control in crop and livestock production, institutions, homes, and gardens. DDT's quick success as a pesticide and broad use in the United States and other countries led to the development of resistance by many insect pest species.
Answer:
The correct answer is D.
Explanation:
Because the scanning electron microscope uses an electron beam instead of a light beam to form an image, and the compound microscope uses lens and light.
For matter to be recycled and returned to the food chain, decomposers must be present. Decomposers are the final link in a food chain. They play a very important role in the food chain and makes it a cyclic process. They eat up dead animals and plants and produce nutrients from these matter back to the food chain. Plants needs nutrients for growth while living animals take up the nutrients they need from eating plants. The nutrients from these living organisms are recycled back to the ecosystem when they die by the process called decomposition with the help of decomposers.
Comets have tails asteroids don't.
Comets are made up of mostly ice.
Asteroids are made up of rock and debris.
Answer:
no population at maximum density............. The carrying capacity is the maximum number of individuals that the environment can sustain.