Like most things, the more you do it, the better you will get.
It all depends upon what you want to do, if you like physics better go after physics if you like math better go after math, the only person that can answer that question is yourself.
Biology and pharmacology.
Science is the study of our Earth, Animals, Plants.
Keep at it. It's a skill like throwing a football. The more you do it, the better you will get.
You get better at math when you study your concept and review them wisely. Try to focus on your math and practice so many times, and you can get the better at math, more easily.
its really a matter of opinion. some may say math is better, though others yet may say surgery. it depends what you are like personally.
scienc because he was a great scientist