The seeds fly everywhere so therefore it is logical
Answer:
A. A pairs with U
Explanation:
In DNA, the nitrogenous bases are A, T, G, and C. In RNA, the nitrogenous bases are A, U, G, and C.
A pairs with U in RNA because it requires less energy to use uracil over thymine.
Hope that helps.
Answer: D. The kinds of organisms that lived there long ago.
Explanation: Finding fossils in an area can help us learn about the kinds of organisms that lived there long ago. The fossil leave traces behind about what type of animal lived there and who the animal was.
Curiosity, honesty, openness
The answer is; they use the Doppler shift effect.
The stars that are in the red spectrum of color are moving away from the observer while those in blue spectrum light are moving closer to the observer. This is because objects moving away from you shift to longer frequencies while those moving towards you to shift to shorter wavelengths.