Answer:
Hope this helps
Explanation:
As we know our atmosphere or air have different levels. Every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.
Here's an unorthodox approach that you might try:
READ each choice and think about it for a coupla seconds !
<span>A) diversity improves an established ecosystem.
No. The results were not an improvement.
B) genetic variation leads to the formation of a new species.
No. There's no mention of genetic variation or new species in the story.
C) the introduction of non-native species upsets a balanced system.
YES ! That's exactly what is described in the story.
D) changing in one part of a system does not affect other parts of the system.
</span>
No. A very great effect on the system is described.
Explanation:
PE = KE
mgh = ½ mv²
v = √(2gh)
v = √(2 × 9.8 m/s² × 0.75 m)
v = 3.83 m/s