Answer:
Choice B
Explanation:
"Permeable" means "Letting solids or liquids through (a material.)" "Semi" means "half or partly." So "semipermeable" means allowing some objects through, but not all.
Answer:
B. Is what the scientists manipulate in the experiment.
Explanation:
The Independent variable is not dependent, or doesn't rely, on another variable in the experiment. So, it would make the most sense that they would manipulate the Independent so that they can watch and see how the dependent variable reacts to the manipulation, or the change, in the independent variable.
This is called active transport. The proteins use ATP to transport stuff in and out of the cell.
Answer:
C
Explanation:
The sider has seveal eyes to see his surroundings allowing him to hunt or hide.
Answer:
False
Explanation:
A generator converts mechanical energy into electrical energy
