One of the primary uses for a 500-mb map is: to monitor the position of the polar jet stream. to predict surface wind speeds. to estimate surface air temperature. to determine the speed and direction of motion for a mid-latitude cyclone.

Agrid shows the positions of a subway stop and your house. the subway stop is located at (7, -7) and your house is located at (-3, 3). what is the distance, to the nearest unit, between your house and the subway stop? answersa-24b-19c-11d-14

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

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?