Chewing a saltine cracker is a physical change
Answer:
110 kg
Explanation:
Density = Mass / Volume ===> Mass = Density x Volume
Now follow the given:
- Density = 2 kg/L or 2000 g/L
- Volume = 55 L
Apply the rule:
Mass = 55 L x 2 kg/L = 110 kg or 110000 g. ( Liters is cancelled by Liters).
It allows things to go in and out of the cell. Plants have rigid cell walls which makes it harder for things to go in and out if the cell. Animal cells are softer so they can diffuse substances easier
Answer:
<em><u>It will expand as water moves into it.</u></em>
Explanation:
