Explanation:
1. cell membranes are partialy permeable, only allowing passage to some certain molecules.
2. diffusion is the movement of molecules across partially permeable membrane down concentration gradient.
3. the molecules are too big to pass through partially permeable membrane. the concentration of the molecule might be higher in the cell than in the solution/surroundings.
Answer:
The three main parts of the earth are the crust, the mantle, and the core.
Explanation:
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Answer:
Laboratory is the place for experiment.
Explanation:
Laboratory is the place for experiment and the purpose for that is doing research and experimentation to confirm or discover new knowledge by using scientific method. Kinetic energy is very important because it has the ability to do work. It enables the body to move from one place to another. The molecules of water in the hot water has kinetic energy which able them to escape in the air against pressure of atmosphere.
Explanation:
<em><u>risky </u></em><em><u>behavior </u></em><em><u>and </u></em><em><u>abuse </u></em>
6CO^2 + 6H2O—->sunlight C6H12O6+6O2