The inorganic portion of soil from rocks getting weathered by chemical and physical means to form soils
Only one kind of matter. Obtaining 100% is very difficult, time consuming, and consuming.
Answer:
The substance moves from low to high concentration, against the concentration gradient.
Explanation:
When molecules move from high to low concentration, it is known as Diffusion. It moves with the concentration gradient and does not require energy.
However, when molecules move from low to high concentration, it is against the concentration gradient and cannot proceed without Energy. This process is called Active transport.
Cell membrane is not thick, it is thin and semi permeable.
Answer:
Both follow duplication of chromosomes. Both include breakdown of the nuclear membrane. Both require spindle fibers to move chromosomes around.
Explanation:
I think it is A,B, C and D. I know for sure that it is not E. Let me know if I was right