Comparing wave a (black) to wave b (green), wave a has a

a) higher crest.

b) higher frequency

c) longer wavelength

d) greater amplitude

This is how zirconium appears in the periodic table. rounded to the nearest whole number, how many electrons are in an atom of zirconium?

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

Which lists the organs in the correct order as food passes from the mouth to anus?