why are nutrients needed for living things?describe the diffrence betwwen living and nonliving things.

Nutrients are essential to keep living organisms alive. Living organisms need specific conditions and environment to be able to stay alive, while non-living organisms are the abiotic factors in an ecosystem and don't need oxygen, or the previously stated things living things need.

given the options, i would say your best bet is c. the modem supports up to 56 kbps, which is too low for video streaming. dial up modems use actual phone lines, which only can go up to 56 kbps as that's more than sufficient for traditional phone calls. this is also the reason why when a dial-up modem connects, you hear all those sounds. it's literally using the phone line to establish a connection.