The sun causes a greenhouse effect on Earth. How is Earth impacted by the greenhouse effect? It creates the different seasons that occur on Earth.
It allows for people to inhabit Earth.
It is the source of day and night on Earth.
It allows for oceans to warm up quicker than land.

The greenhouse effect is a natural process that warms the Earth's surface.

Explanation:

When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.