Answer:
Igneous rocks are classified by particle size
Explanation:
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The deepest places on the earth are in South Africa. Mining companies trying to extract gold and diamondshave mined into the earth about 6 km (about 3.5 miles). No one has gone deeper into the earth than the South African miners (with heat-resistant clothing) because of the heat and pressure at these depths prevents humans from goingmuch deeper. If we can’t go very deep into the earth, how do we know what is below the surface when we can't see it?Isaac Newton (the scientist that discovered gravity) was one of the first scientists to develop theories about the structure of the earth. Based on his studies about gravity, Newton calculated the average density of the earth and found it to be more than twice the density of rocks on the surface. Newton realized that the inside of the earth had to be much denser than the surface.
Subway systems are almost everywhere. They usually lie underground in tunnels.
Answer:
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Explanation:
interstate highways. routes of minor roads. areas with mountains. regions at a high elevation.
A topography map provides visual information about elevations, either by color or by circles, so the answers would be:
- areas with mountains
- regions with a high elevation.
The change of elevation (going high or low) would be represented by circles. The closest the circles are to each other, the steeper is the variation.
A topographic map is usually a large-scale map (showing a small area, like your neighbourhood , not a whole country for example). If there are state boundaries or any kind of road passing in that frame, yes they will be shown on the map... but it's not the primarily use of a topographic map.
