The answer is
If it is a leap year, then February has 29 days.
<span>A conditional statement uses a pattern of ‘if’ followed
by ‘then’. The obvious cause must be stated first followed by the outcome. ‘If
and only if’ is an example of a biconditional statement. </span>
Answer:
There are many different organ systems that are involved in when we exercise. The three main ones are the respiratory system which is involved in breathing, the circulatory system which circulates blood flow throughout the body and lastly the muscular system, as you use muscles when you are moving.
Explanation:
<em>I would appreciate brainliest, if not that's ok!</em>
I believe it’s A and D, hope this helped!!!