It's hard to understand like only a part of the page. Could you take a picture of the whole page. Thanks.
Answer:
C. thymine
Explanation:
Adenine pairs with thymine in DNA and pairs with uracil in RNA.
Hope it helps.
The nucleus will have the greatest mass. Among the 3 kinds of subatomic particles, electrons are the lightest (by several orders of magnitude), protons and neutrons are much closer is magnitude, though neutrons are slightly heavier. However, in the diagram, the nucleus contains both the neutrons and the protons, so its combined mass would be heavier than either the neutrons alone or the protons alone.
Can't be gravitational, due to the fact that atoms are way too small to have a gravitational pull for something of similar size.
The strong nuclear force is the answer you're looking for.
Ithe answer is b. and the temperature brought fires to the crops. One movie example of this could be the intersteller.
