Why does the amount of daylight we see each day change throughout the year?

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

How does science influence the decisions made about social, economic, and political issues?