JJ Thomson added to Daltons theory by discovering the electron. He explained that the atom is a positive ball with negative electrons.
<span>The catalyst makes lower energy pathways available.</span>
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.
B) Single cell
Because I had the question and I got it right
Answer:
B is the right answer I think.
