A. Immune system
It helps our bodies fight everything that comes in our path.
A. Earth
Geocentic, is a theory of Ptolemy. Where the Earth is the center of the solar system.
<u>The right answers are:</u>
HOX genes are very similar in all animals.
Many species share much the same DNA.
Plant and animal cells have almost all of the same structures.
D
Explanation:
With the help T cells , B cells make special proteins called antibodies which stick to antigens on surface of germs stopping them in their track.
The answer is She is moving to the traffic light, but she is not moving relative to the bus driver.
Hope I helped
