Dr. John Snow combined maps with information in order to solve a problem in London. What goal was Dr. Snow trying to achieve? A. stopping the spread of a disease B. preventing crime C. mapping the locations of stores D. working to prevent a natural disaster Please select the best answer from the choices provided A B C D

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?