Can someone please help me (1) One night while looking through his telescope,
Reginald saw three planets in the sky. X, Y. and
Z. X was smaller than Y, and Y was smaller than Z.
Was Z larger or smaller than X?​

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

37.0 °c = °f (human body normal temperature)