As the distance between the moon and Earth increases the moon's orbital speed... 1. decreases
2. increases
3. stays the same

Although the moon's distance from earth varies each month because of its eccentric orbit, the moon's mean distance from Earth is nonetheless increasing at the rate of about 3.8 centimeters (1.5 inches) per year

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.

Answer it was we, the the whole people, who formed the union. and we formed it, not to give the blessings of liberty, but to secure them: not to the half of ourselves and the half of our posterity, but to the whole people- women as well as men.