We are asked to compare the sequences shown below.
Sequence A  $2$  $4$  $6$  $8$  $10$ 

Sequence B  $2$  $4$  $8$  $16$  $32$ 
Since the way in which the terms change characterizes each type of sequence, we can analyze this to classify the sequences given. To do this, let's start by finding the difference between consecutive terms.
As we can see, Sequence A has a common difference of $2.$ Therefore, it is an arithmetic sequence. On the other hand, we can see that Sequence B is not an arithmetic sequence, since the difference between its consecutive terms is not constant. We can now check for the ratios between consecutive terms.
Notice that Sequence B has a common ratio of $2.$ Therefore, this is a geometric sequence. We can summarize our results as shown below.
