Witch of these limiting factors could cause three squirrels to lose their home
a. a natural disaster
b. in increase in predator
c. in animal disease
d. in increase in competition for foods

Rubber on floor tile has a coefficient of kinetic friction of 1.0 and a coefficient of static friction of 2.0. how much force would a 3.5 lb. robot need to produce in order to start moving?

Explain why electric current cannot exist if a current doesn't have a voltage source.

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air