Describe two types of drugs and the negative impact the abuse of these drugs can have on a person's health. (5 points)

Two types of drugs are

1) Cocaine

2) Heroin

The negative impact of the abuse of these drugs are the following:

1) It reduces the functioning ability of the brain.

2) Weaken the memory and focus.

3) The person has no control of himself.

4) The immune system is very weak and the patient gets easily affected by the disease.

5) The drug addicted person losses weight and appetite.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.