Answer:
n is an even number if and only if it's divisible by 2.
Explanation:
Biconditional statement is a type of statement which is only written when the both segments of the sentence are true. For writing biconditional statement, ''if and only if'' words should be used. For example, the two sides of the triangle are same if and only if both have same length. The biconditional statement considered as true if both the segments are true in nature. Symbolically, it is denoted by double arrows between two symbols.
<span>Platelets - help the blood to clot. Clotting stops the blood from flowing out of the body when a vein or artery is broken.
Red blood cells - carry oxygen
White blood cells - ward off infection</span>
The answer is B) 9 neutrons
A is the answer. A heterotrophs is an organism that consumes other organisms so it is a consumer!
