Substance in the atmosphere that harm an organism being and alter the environment in which they live, are known as what?
a) atmospheric pollution
b) uv radiation
c) solar input
d) greenhouse effect

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

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.

the growth of the plants is affected by the heat of the light. what is the student doing?