Answer:
deoxyribonuclei acid ,DNA
Explanation:
the chromosome is wrapped around the DNA
<span>D. can incorporate new scientific discoveries. should be the answer. Hope I helped!</span>
Answer: A
Explanation: It makes the most sense because it isn't directly speaking about something, it is mainly summarizing the main idea. I'm not 100%, but that's the one I would choose if it were me. Hope I helped out a little!
1. Testing only one variable
A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.