How did cavemen evolve into humans like what we have today

what was the cause of it

What characteristic of an atom determines its properties A. arrangement of protons in the nucleus B. the arrangement of electrons around the nucleus C. the atomic number of neutrons D. the atomic mass

A 1/10th scale model of an airplane is tested in a wind tunnel. The reynolds number of the model is the same as that of the full scale airplane in air. The velocity in the wind tunnel is then

a car slows down from a speed of 25 m/s to rest in 5.0 seconds fine the acceleration during this time period

What is polarization? when the positive and negative charges in an object are separated The creation of magnetic poles The charging of an object by placing a charged object against a neutral one The creation of charge by removing charges through

Why can't conductors generate static electricity when rubbed together? a. They do not contain electrons c. They will direct excess charge to earth b. They do not have ions d. Conductors only store charge

If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

How do positive and negative charges interact with each other?

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?