People with hemophilia often go to the hospital for relatively minor scrapes and cuts because their blood does not clot properly. This a failure of
a. Red Blood Cells
b. White Blood Cells
c. Platelets
d. Plasma

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

Heterogeneous mixture with larger particles that never settle is

While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.