Which best explains why humans are multicelluar organisms? A Human cells are too small to function alone.

B Human cells join together to form one large cell.

C Humans need many cells to carry out life processes.

D Humans have many systems that perform the same function.

The main reason that you should secure loose objects in your car before you drive is that a. objects too close to the engine may be affected by the heat b. they are likely to get damaged moving around your car c. they may be thrown into a spot that disrupts your driving d. they will be more easily retrieved from a single storage location