Answer:
This is usually the first day of menstruation - the day when the uterus lining starts to be shed.
Explanation:
Answer:
The answer is D.
Explanation:
because dwarf planets are found in the kuper belt as well, and A and B are actually just there to trick you. Hope that helped.
Simple. Air has mass. And if air has mass it also has weight. You can feel air when the wind blows. Or do an experiment. Weigh an empty container. Then pump it to a vacuum. Weigh it again. The difference is the weight of the air inside.
