provide the barrier that marks the boundaries of a cell.
Answer:
The idea model is used to for relationships between variables, such as time and distance, that can be graphed or be placed into an equation. A physical model, on the other hand, is generally used for objects, such as a cell, to show the various parts and their orientation in respect to each other. A computer model is used to track weather patterns and other factors to predict natural events.
Explanation:
Answer:
what element is all life based on
Explanation:
the element is element carbon
They typically sleep about 16-17 hours a day; that’s a lot!