If I have 1200 base pairs of DNA and 380 of them are adenines, how many guanines will be in the sample?

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Is there any solid scientific evidence that humans have been cloned?

Do plant cells perform cellular respiration?