Aparticle can infect humans and make them sick. it attaches to a host cell and injects its rna, which the host uses to make proteins for the particle
this particle cannot reproduce on its own and can only copy itself by using the machinery of the host.
which explains whether the particle described is a virus or a cell?

b

explanation:

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.