Answer:
you could calculate the speed of a snail or a cheetah by measuring a distance and measuring the time it takes them to get there. direction would be considered if you were finding velocity.
Explanation:
Answer:
d. purple, spherical-shaped organisms arranged in chainlike formations
Answer:
Phospholipid bilayer determinates which molecules can enter or exit the cell so its purpose is to be a checker in the middle. Cell membrane determinates the structure of the cell and it is the connection to the rest that happens in a cell.
Explanation:
Molecules can move in 2 ways: passive and active.
The only difference is the energy that is needed to do the movement.
In passive mechanisms, energy is not used, while in active transport, energy is needed. Diffusion or passive transport are moving the concentration from hight to low so the energy is not necessary. Active transport moves from low to a high concentration and it uses metabolic energy.
Answer:
c.All are halogens, so they are not very chemically active,
No one knows. There's no confirmation date at the moment. As that comment said, only time will tell.
