Can we say food chain is a sequence of eating and being eaten to transfer energy

i wish i could with all of them i can barley see the first one so here's the answer to the first one b

what are the awnser choices? i mean, without choices, it is an incompleat

in case if a person is bitten by a snake then after contacting the medical control, there is a need to apply a pressure immobilization bandage and try to make the person calm and as still as possible unless and until any medical comes.

try to avoid washing of the bitten region as any venom left on the skin can in determining the snake. make sure to not cut the wound, or try to suck the venom out from the region, and do not apply any kind of tourniquet.