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Dvinal [7]
3 years ago
15

Continental drift is caused by extrnal forces true or false

Geography
1 answer:
pshichka [43]3 years ago
5 0
True because forces are used and that caused a continental drift
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Match the term in column 1 to the characteristics in column 2.
Mrrafil [7]

Answer:

a) Mass wasting  - 4) Landslides or other collapses

b) Heating and cooling - 2) Type of physical weathering

c) Dust bowl  - 1) Severe farmland erosion

d) Oxidation - 3) Type of chemical weathering

Explanation:

a) Mass wasting is defined as the slope movement which causes the downslope of soil, sand, and rock under the influence of the force of gravity. So, mass wasting causes landslides and other collapses due to slope movement.

b) Heating and cooling or temperature changes is a type of physical weathering. Rocks expand at high temperatures (Hot) and contracts at lower temperature (Cool).

c) Dust bowl : When grasses in farmlands are not tightly rooted, the eroding soil led to massive dust bowl and blow the grasses in the farmlands.

d) Oxidation is a type of chemical weathering. Oxidation is defined as the reaction of a substance with oxygen, when oxygen reacts with rocks and soil, it forms oxides which result in weathering.      

Hence, the correct answer is:

a) Mass wasting  - 4) Landslides or other collapses

b) Heating and cooling - 2) Type of physical weathering

c) Dust bowl  - 1) Severe farmland erosion

d) Oxidation - 3) Type of chemical weathering

6 0
3 years ago
An example of quaternary economic activity is______.
victus00 [196]

<h2> <u>deciding how many cans of vegetables to store at a warehouse.</u></h2><h2 />

Explanation:

<h3>The quaternary economic activities do not involve physical involvement into the production, trade, or storage of the products, but instead, this type of economic activity is performed strictly by using ones brain, thus making decisions and plans that are going to be performed by the workers in the primary and secondary (occasionally in the tertiary) economic layers.</h3>
6 0
3 years ago
Who is James Taylor?​
san4es73 [151]

Answer:

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  • James William Arthur Taylor (born 6 January 1990) is a former English cricketer who played for Nottinghamshire County Cricket Club.A right handed batsman and occasional right-arm leg break bowler, Taylor made his debut in first-class cricket in 2008 for Leicestershire and made major impressions in his first county seasons. He is noted as being a fine fielder in the covers. He became the youngest Leicestershire one-day centurion and first-class double centurion. In 2009, Taylor also became the youngest player in Leicestershire's history to score 1,000 championship runs in a season.

〜ʆᵒŕ∂ཇꜱꜹⱽẻⱮë

6 0
3 years ago
Read 2 more answers
Organic materials (such as food scraps and yard waste) in landfills can decompose and produce landfill gas ( LFG ) over time. Ab
liubo4ka [24]

Based on the data provided:

  • LFG is used to produce electricity by using it as fuel in combustion turbines
  • the Puente Hills Landfill will emit 1.94 * 10¹⁰ cubic feet of LFG per year
  • 9.7 * 10¹⁰ cubic feet of methane is prevented from entering the atmosphere.
  • the number of households that can have their total electricity needs provided by these landfills is 1,368,925 households.

<h3>What is the process of electricity generation from LFG?</h3>

Landfill gas, LFG can be used to generate electricity.

It contains 50% methane which is used as fuel for energy generation.

The process of generating electricity from LFG is as follows:

  • It is processed to produce methane.
  • The methane produced is combined with natural gas
  • The mixture is used as fuel for combustion turbines which then drives energy generation.

<h3>How much LFG is emitted at the Puente Hills Landfill per year?</h3>

From the data given:

ii) 1 million tons of landfill emits  432,000 cubic feet of LFG per day

123 million tons of landfill waste will emit 123000000 * 432000/1000000 cubic feet of LFG per day

The Puente Hills Landfill will emit 53136000 cubic feet of LFG per day

1 year = 365.25 days

Amount of LFG emitted in 1 year = 53136000 * 365.25 cubic feet of LFG per day

Amount of LFG emitted in 1 year = 1.94 * 10¹⁰ cubic feet of LFG per year

Therefore, the Puente Hills Landfill will emit 1.94 * 10¹⁰ cubic feet of LFG per year

<h3>What is the amount of methane prevented from entering the atmosphere by burning LFG to produce electricity at the Puente Hills Landfill over a 10-year period?</h3>

Volume of LFG produced in Puente Hills Landfill in 10 years is calculated below:

1.94 * 10¹⁰ cubic feet of LFG per year * 10 years = 1.94 * 10¹¹ cubic feet of LFG

Volume of methane in 1.94 * 10¹¹ cubic feet of LFG = 1.94 * 10¹¹ * 50% Volume of methane in 1.94 * 10¹¹ cubic feet of LFG = 9.7 * 10¹⁰ cubic feet of LFG

Therefore, 9.7 * 10¹⁰ cubic feet of methane is prevented from entering the atmosphere.

<h3>How many households can have their total electricity needs provided by these landfills in the United States?</h3>

Average yearly household electricity need = 30 kWh * 365.25 days

Average yearly household electricity need = 10957.5 kWh per year

Number of households = total electricity from LFG / average household electricity use per year

Number of households = 15000000000/10957.5

Number of households = 1,368,925 households

Therefore, the number of households that can have their total electricity needs provided by these landfills is 1,368,925 households.

Learn more about LFG and electricity generation at: brainly.com/question/14391018

6 0
2 years ago
What do I do here
RideAnS [48]
1 is Improving knowledge of other cultures
6 0
3 years ago
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