Answer:
Study animal migration patterns, understand the impact of sports on a child's development
Answer: Pie is used to find the area of a circle
Explanation: Pie is endless but usually it’s started with 3.14etc
I’m not sure if this is what you mean by “Pie” but ok
Answer:
Visible light from the Sun
Explanation:
The visible light is known to be a portion of the electromagnetic spectrum that can be seen with naked eyes. It is a form of electromagnetic radiation.
Other forms of the electromagnetic radiation are the infrared and ultraviolet.
The visible light is found or falls within the range of electromagnetic radiation spectrum between the infrared and ultraviolet.
Among the electromagnetic radiation, the visible light is the portion that supplies the energy which warms the earth's surface.
Answer:
The Moon's phases repeat every 29.5 days, but it's orbit around the Earth only takes 27.
Explanation:
Why? In that time, as our Moon moves around Earth, the Earth also moves around the Sun. Our Moon must travel a little farther in its path to make up for the added distance and complete its phase cycle.