What are the possible effects of contaminated water on the health of an individual or community? Explain your answer in terms of what causes the contamination, the types of infectious agents involved in the related diseases, and how these diseases can spread.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

your answer is true

i am 100% sure

explanation:

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

i think it is dna, i'm not totally sure but i think it might be.