Increase in carbon dioxide will lead to?

the average temperature of the lower atmosphere will gradually increase, a phenomenon known as the greenhouse effect.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

the answer is c. it will give up it's valence electron to the other atom.