Answer:
Cell Membrane
Explanation:
The cell membrane controls what goes in and out of a cell, and keeps it shape, much like a city limit.
Es el número (2) esa es la respuesta correcta
Answer: i believe that the answer is
c
You have to divide the distance by the work. So,
55/5
=11
So, she used 11 N of force to lift her cat.
<u>First question:</u>
Density = 
Mass = density × volume
The density of the cube is 1.2g/cm³
The volume of the cube is given by side × side × side:
Volume = 7cm × 7cm × 7cm = 347cm³
Mass = 1.2g/cm³ × 343cm³ = 411.6g
*Hint: Just apply the formula Density =
to solve the next questions.