PLEASE HELP I WILL MARK IF CORRECT What are two ways space exploration can improve
international relations?
O A. By helping countries' economies grow weaker
B. By urging countries to compete to achieve goals
C. By inspiring countries to work together to solve problems
D. By encouraging countries to share scientific data

Iguess i would say diagrams would be most difficult subject too correct

The answer is c the potato slice shriveled because water moved out of the slice into the salt solution

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on