Calculate the density of a wooden block that has a mass of 84.5 kilograms and the volume of 3 cubic meters

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.