Answer:
DSV-4 can dive 5,000 feet (1,524 meters) deeper than the famed Alvin; however, the Super Alvin-class replacement for DSV-2 is designed to dive to 22,000 feet (6,705 meters).A nuclear submarine can dive to a depth of about 300m. This one is larger than the research vessel Atlantis and has a crew of 134. The average depth of the Caribbean Sea is 2,200 meters, or about 1.3 miles. The average depth of the world's oceans is 3,790 meters, or 12,400 feet, or 2 1⁄3 miles.
Answer: globalization
Explanation:
The increasing economic, cultural, political, and social connections between people around the world is called <u>globalization</u>.
Answer:
The four types of lines are <em>horizontal</em> <em>line</em>, <em>vertical </em><em>line</em>, <em>parallel</em> <em>line</em> <em>and</em> <em>perpendicular</em> <em>line</em>. They are defined by their orientation and the angles formed between them.
Answer:
Coal: 7.4 billion tonnes
Explanation:
The World Coal Association estimates that there are more than one trillion tonnes of coal reserves worldwide, enough to last 150 years at current rates of production, so it is unsurprising to see coal ranked as the most-mined mineral in the world.
While China has consistently led the world in production – the country was responsible for 3.3 billion tonnes in 2016 – this was down 16% from the 3.9 billion tonnes produced in 2012. Chinese coal output slumped below the 3.4 billion tonne-threshold predicted in 2016 and the trend may continue, as renewable energy sources become more widespread.
The Chinese decline has mirrored a trend in worldwide coal production, which fell to 7.4 billion tonnes in 2016 from 8.2 billion in 2012. While coal production has increased in Australia and Russia in the last five years, both South Africa and the US have seen sharp declines in production of anthracite and bituminous coal. American coal production in particular has fallen from over 900 million tonnes in 2012 to 782 million in 2016, the lowest figure since 1979.
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Answer:

Explanation:
The sun's altitude at noon on a location can be given by the following formula:

In which S is the sun's altitude, L is the latitude of the the location and D is the declination of the sun. The declination is related to the period of the year(summer, winter, etc).