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Lostsunrise [7]
2 years ago
6

What are convention currents and what causes them

Geography
1 answer:
dusya [7]2 years ago
5 0
A convection current is a process which involves the movement of energy from one place to another. It is also called to as convection heat transfer. ... These things happen as a result of the Convection Currents. The convection currents tend to move a fluid or gas particles from one place to another.



Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.
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klemol [59]

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7 0
3 years ago
Show me how tornadoes are formed
geniusboy [140]

Answer:

tornadoes are formed by mixing cold and hot air together.

Explanation:

Because hot air rises, when hot air from the west, clashes with cold from the east (or visa versa) the hot air rises above the cold air and causes drag on the inside of the cold air, which makes the inside of the cold air travel at a slower rate than the outside of the cold air, which in turn makes the cold air turn in on itself.

because the cold air turns in on itself, any warmer air underneath rises above the swirl of cold air forcing it to sink to earths level. "friction" or "resistance" between the swirl of cold air and the earth's surface creates more energy that is absorbed by the cold air molecules in the swirl of air, allowing the particles to move quicker and quicker in the direction they are travelling in (a bend or circle), creating a tornado.

3 0
2 years ago
When reading a geologic map, rock units are labeled with letter codes. The first upper-case letter indicates _______, while the
tigry1 [53]

Answer:

<u>geologic unit</u>

<u />

When reading a geologic map, rock units are labeled with letter codes. The first upper-case letter indicates <u>age of the geologic unit</u>, while the following lower case letters represent <u>geologic unit's name or the type of rock of which it is comprised.</u>

<u />

Explanation:

Geologist have divided the history of the earth into 4 main periods of time; the Eons, the Eras the Periods and the Epoch. On a geological map, an initial capital letter is usually followed by one or more lower case letters while the lower case letters indicate either the name of the unit, if it has one, or the type of rock, if the unit has no name.

3 0
3 years ago
Helpppp pleaseeee and thankyouuuu
gulaghasi [49]

Answer:

For the ones that say use calculator try it. Just pop it in and you get your answer :D

Explanation:

rounding

a. 6.54 = 6.5

if the number is 5 or above round up and drop the numbers to the right of it

if its 4 or under drop the numbers to the right of it

in this case your tenth place is 5 so you drop the four.

follow this formula for the rest

7 0
3 years ago
Since Ireland was granted total independence in 1949, Northern Ireland has been stuck by violence that arose from conflict over
pshichka [43]
D) whether to reunifty w the rst of ireland
7 0
2 years ago
Read 2 more answers
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