Carbohydrates, fats, and proteins needed for the normal functioning of our cells are obtained from A. oxygen
B. food
C. carbon dioxide
D. vitamins

The use of dna as evidence in criminal investigations became possible because of the

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land