The cell membrane allows certain items into a cell and blocks others from entering, just like a security guard protects a real factory.
Answer:
There are three main components to kinetic theory: No energy is gained or lost when molecules collide. The molecules in a gas take up a negligible (able to be ignored) amount of space in relation to the container they occupy.
Explanation:
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Answer:
Unbalanced
Explanation:
The reactants side says 2Na. This means there should also be 2Na on the product's side. However, there is only 1 Na there. Therefore, the chemical equations are unbalanced.
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Answer:
D
Explanation:
objects with larger mass have more gravitational pull
