Some problems with the digestive system make it very difficult for the body to digest enough food. why would it be harder to exercise when you have a digestion problem like this?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums

Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object