4) Polaris
Stars emit light with energy generated by nuclear fusion, think of the Sun as an example. Polaris is a star, it's the brightest star in the little bear constellation, and therefore the correct answer.
Answer:
its either c or d, but c is a little closer so ima say c
Explanation: hope this helps
Answer:
Climate zones are areas with distinct climates, which occur in east-west direction around the Earth, and can be classified using different climatic parametres. Generally, climate zones are belt-shaped and circular around the Poles
Answer:
b) the difference in elevation between two adjacent contours
Explanation:
Each contour line corresponds to a particular elevation above some reference, usually sea level. The difference in elevations represented by adjacent contour lines is called the <em>contour interval</em>.