Answer:
C . snails
Explanation:
This shell looks like a snail shell
If u mean 5+1 x 10= 15
5 1 x 10= 50
Receptor and Control Center
Answer: They usually run tests too see. For example, that's why they made blood tests. They take you blood from you, and run tests to see if you have a disease.
Explanation: Hope it helps!
DNA BASE PAIRS:
adenine & thymine
cytosine & guanine
those are the pairs that go together