I think the answer is A or D
Answer:
the role an organism plays in a community
Cells need water to survive for a dispose of waste
Answer: Option B.
Breast milk lack Vitamin D.
Explanation:
Breast milk is the liquid substance given to infants by the mother which is secreted by the mammary gland or breast.
Breast milk contain a lot of nutrients needed for growth and development of infants. Breast milk contains proteins( human milk contain two types of protein, whey and caesin) carbohydrates, fats, minerals and vitamins except vitamin D, the bady will need additional source of vitamin D. Breast milk make the baby healthy, it prevent sickness and allegies, it supply the necessary nutrients the baby needs.
Answer:
C. It can be DNA or RNA
Explanation:
Viruses can be described as non cellular, microscopic, infective agent that are composed of genetic material ( DNA or RNA), which is surrounded by a protenaceous coat known as viral capsid.
It means that there can be RNA ( ribonucleic acid) and DNA ( deoxyribonucleic acid) based viruses.
