The 3rd one I think not really sure
The RNA complementary strand would be CUUGUA
The answer is C, gravitational potential to kinetic, but just a side note beware of posting questions that are that kind of evaluation. People can track you down for using any sort of site for help. So just keep in mind just send in the picture but not type in the entire question so that way you don’t get detected or have to retake the entire thing. Good luck btw
Your answer is B. carbohydrates. hope this helps
