Answer:
One is tension force that acts on the string and the other one is gravitational force that is acting on the pen and is therefore, the one that pulls the pen towards the ground. Therefore, the pen's motion is caused by the unbalanced force acting on the pen.
Answer:
b. cost to implement conservation policies
Explanation:
(solid)ice, because the molecules are very close together ,so they can keep the shape.
Answer:
chemical properties can only be measured only by changing a substance chemical identity
Explanation:
apex
