Answer:
relativistic doppler effectand gravitational redshift
Erosion is the process of removing rock particles by water, wind, ice or gravity.
Cultural geography is also called human geography since it does have to do with how humans interact with environments. It is the study of how the various aspects of physical geography affect individual cultures.
1. <span>Horizontal lines of latitude that run across the globe are known as parallels. The correct option among all the options that are given in the question is the first option or option "A".
2. "The </span>Mercator projection" is the one that is most useful to sea captains. <span>The correct option among all the options that are given in the question is the first option or option "A".
3. </span>The cardinal directions on a map are shown with a compass rose. <span>The correct option among all the options that are given in the question is the fourth option or option "D".</span>