Answer:
When the sun shines on earth, the sunlight warms up the earth, in the way that sunlight would warm up a greenhouse. At night, when there is no sunlight, the earth cools down, just like a greenhouse. When cooling down, the earth keeps some of the warmth trapped in the atmosphere- just like how a greenhouse would.
The sign of x cordinates change...if the object had a positive x cordinates the image will have negative x cordinates
<span>A federal government is a system that divides up power between a strong national government and smaller local governments.
I believe the answer is B. A country with many ethnic groups.
</span>
Answer:
Plate tectonics is the name for the process that forms Earth's features. Plates spread apart, bump together, slide under one another, or slide past each other. Forces on the surface also change the land. The movement of wind and water breaks rock down, and erosion wears Earth's surface away.