When getting a vaccination which substance is injected in your body 1. Bacteria to combat a pathogen 2. White blood cells to engulf of a pathogen 3. A weekend form of a virus 4. Antibiotics to kill a virus

3

Explanation:

Vaccines contain a weakened form of the virus so that your body learns how to kill it. If you were to ever get the "real" virus, your body is able to recognize the virus and remember how to kill it much faster than if it was exposed to it for the first time.

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

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.