What two systems work with the digestive system to control digestion speed? a. endocrine and excretory c. circulatory and nervous b. excretory and circulatory d. endocrine and circulatory select the best answer from the choices provided a b c d

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

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