The four types of galaxies are spiral, barred spiral, elliptical, and irregular <span />
Energy from a source that is not depleted when used, such as wind or solar power.
Rural- relating to, or characteristic of the country side rather than the town. For a more simple definition it's basically people who live out in the country side. Example- She lives in a rural area.
Answer:
copernicus's idea of the solar system had an idea of the sun in the middle aka heliocentric model, and Ptolemy's model aka the geocentric model has the Earth located in the center
Explanation:
I had this lesson earlier this school year
The greenhouse effect is related to the increase in the average surface temperature which is considered "global warming". Global warming is the result of an increase in gases like methane, carbon dioxide, and other factors that lead to a rise in the planet's temperature.