Answer: C
Explanation:
MRNA, the A-T is replaced with A-U but T-A stays the same
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:
<span>Looking at the two species' DNA would be a good place to start. If there are a number of similarities in their genotypes, then there would be a good chance that the two would also share some type of a common ancestor. This would be evidence that there was some type of selection that took place that necessitated two different species that shared a number of traits and features.</span>
Only toms idea could be scientific since it is testable, can be tested by others, have a hypothesis, and be proven
O type blood contains both A and B antibodies.
