Answer:
D
Explanation:
When a substance moves from low to high concentration it is moving against its concentration gradient, which requires more energy.
A. It depends on where it is moving, not the substance
OB. This is describing diffusion
OC. Does not require energy, it is passive transport through a semi-permeable membrane
Answer:
1 is a risk 3 is a benifit!
Explanation:
Hope this is right and helps
The answer is DNA which cods for spesific protein
Answer:
If you meant new instead of you then, it is false. With a physical change it is only altering the object not making something new.
Explanation:
D. an arctic fox is brown in summer and white in winter