Technically, the black widow spider is the deadliest spider despite it's size, due to it's overwhelmingly potent venom, which can and will kill a human if no medical attention is sought out for the person bit.
Im pretty sure its
A. Number of Organisms
B. Amount of Matter
A million sorrys if im wrong :(
Answer:
RNA
Explanation:
DNA has the bases of A,T,C, and G.
RNA has the bases of A,U,C, and G.
the T base in DNA is 'Changed' into the base U
It gives you a sign that digestion is having a hard time taking place.
<span>There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart</span>
