Ok here we go:
Science starts with observing which leads to hypothesis, which is tested by experiments.
The other two i am not sure of. Hope i was a help to you. One thing you can do to figure out the other two is google: "what type of science includes medicine and envirnmental science", and do the same for the other one.
Lipids are found in cell membranes in double layer which is called "Lipid-bilayer".
So, option A is your answer.
Hope this helps!
An individuals head with the similarity of a frog mind or has no throat.
A. Development of transportation
