Abenefit that 20th and 21st century space programs have brought to an area outside of astronomy is
a~ more efficient automobile fuel.
b~ improved heart pumps.
c~ more accurate calendars.
d~ telescopes for invisible radio magnetic waves.

Anna lives in a city that experiences high precipitation, with an average annual rainfall of 524 millimeters. it is warm all year. it is hottest during july, with an average temperature of 98°f, and coldest during december, with an average temperature of 80°f. tim lives in a city with an average rainfall of 30 millimeters per year. it has hot summers and cool winters. it is hottest during july, with an average temperature of 70°f, and coldest during january, with an average temperature of 28°f. anna’s city is in a  continental  dry  moderate  tropical    climate, while tim’s city is in a  continental  dry  moderate  polar    climate.

How does the parallax of a nearby object compare to that of an object farther away?

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?