Which of the following is stroring gravitational potential energy A. A baseball player sliding into home plate
B. A ballet dancer spinning on her toes
C. A cat stalking a mouse
D. A water bucket hanging over a well

Classify this reaction: 2al+n2-> aln.

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium