Adenine and thymine
cytosine to guanine
hope that helped
Answer:
A gas-powered lawn mower is a complex machine because for it to function it does more than one motion. For example, it has a wheel and axle system so it can move when powered. And it has a system of simple machines and other parts that are put together to accomplish the task of cutting grass.
Explanation:
It’s A. I’m currently learning about this in my class at the moment, so I know
