While hiking in the mountains, tanya observed a narrow and steep valley with a stream at the bottom of it. what most likely caused the valley to first form?

Our warmest month is august Weather or Climate?

A Astronut Went To Space With Two Materials A Flag And Pen Weight 5000kg Calculate The Weight Of Two Materials?

Neil's bohrs theory was based on

For a moon orbiting its planet, r p is the shortest distance between the moon and its planet and r a is the longest distance between the moon and its planet. What is a moon's orbital eccentricity if r p is equal to 0.27r a? A. 0.57 B. 0.27 C. 0.48 D.

Why can a spider needle float on the surface of water even though the metal of the needle is about 18 times denser than the water?

Ways that charges can be transferred

If you drive at 100 km/hr for six hours how far will you go

Chemical bonds are formed from the attractive force of atoms for electrons. What is the force called?

How resistance, current, and voltage behave in a series circuit.?

A father racing his son has 1/3 the kinetic energy of the son, who has 1/2 the mass of the father. The father speeds up by 1.4 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son