Can someone answer this, I have no braincells left in my brain

Which is a contraceptive method that is classified as hormonal birth control?

How can a general chart for physical activity recommendations patients improve their overall health?

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)