True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

In the first law of thermodynamics, triangle e=q-w, what does q stand for