What are arthropods with two legs per segment?

3. Antibodies fight infections by (a) eating microbes before they can attack cells. (b) binding to antigens and rendering them inactive or harmless. (c) injectiſg cells with a harmless form of an otherwise harmful virus.

By which process does water vapor become a cloud? A) evaporation B) transpiration C) condensation D) precipitation

Identify three producers in a community

There were 21 tricycle wheels in the driveway. A tricycle has 3 wheels. How many tricycles were in the driveway?

Ten thousand years ago, all but 100 members of species a were killed by a series of volcanic eruptions. all modern members of species a are descended from those 100 individuals. this is an example of:

The roots of a plant are usually located underground and composed of which of the following tissue systems?

You are excavating a Native American human burial site which contains both males and females. After obtaining permission from current Native American tribes believed to have descended from these people, you analyze the bones.

Cells that engulf and destroy bacteria

Which did a large earthquake in Alaska initally cause? which did a large earthquake in Alaska initally cause? A. a volcanic eruption B. flooding C. a landslide D. a tornado

What type of asteroid/meteorite do they believe brought some water to the Earth? a. Stoney Iron b. Iron c. Steel d. Carbonaceous Chondrite