Do you believe that we need to find alternate, environmentally friendly energy sources?

yes of course if we don’t the environment will die and undiscovered animals will become extinct and we can’t discover them till it’s too late and those polar bears are on thin ice and it’s not fair to them that they have to suffer for our choices

Explanation:

because the light is a great source of energy for the plants to survive. (i hope this )

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects