Two major problems associated with petroleum products are the environmental hazards associated with its extraction from the earth and also the environmental impact of its burning which emits greenhouse gases into the atmosphere which has been shown to cause global warming and climate change.
The core has the largest density, being made of iron and nickel
The mantle has an intermediate density and the crust has the lowest density.
Answer:
41.3°.
Explanation:
An observer in Watertown New York would see the star Polaris at an altitude of approximately about 41.3°. Those people who lives in north pole, the star Polaris present over their head because star Polaris is present in North pole so people of other regions can see them from different altitudes. The New York city also present from north pole so the person see the star Polaris from an altitude of 41.3°.
Answer:
Manchu Picchu
Explanation:
Machu Picchu became a wonder of the world in 2007.
Answer:
The solution slowly descends into the cave and deposits the dissolved calcium carbonate, sometimes including impurities of iron and other minerals. On reaching the cave, the water droplets fall to the floor, leaving behind a tiny deposit of calcite crystal.
Explanation:
