Pls help with health

Sometimes without even knowing it, people waste fresh water. write an editorial for our school newspaper. try to convince your readers that saving and recycling water should be something they do every day.

The process by which the diameter of the bone increases is called? a-metaphysic b-appositional growth c-diaphysics d-epiphysis

Group of genes that encode molecules found in all body cells, creating a biochemical “fingerprint” that serves as the “id” for cells so that they are marked as “self” a) deoxyribonucleic acid (dna) b) entry inhibitors c) major histocompatibility complex (mhc) d) non-nucleoside reverse transcription inhibitors (nnrtis)