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3 years ago

Describe three measures that can be used to solve water shortages

Geography

1 answer:

ArbitrLikvidat [17]3 years ago

5 0

Answer:

Rainwater harvesting and recycled wastewater also allow to reduce scarcity and ease pressures on groundwater and other natural water bodies. Groundwater recharge, that allows water moving from surface water to groundwater, is a well-known process to prevent water scarcity.

Explanation:

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Assume that the Moon is hit by about 25 million micrometeorite impacts each day (this number comes from observations of meteors

mestny [16]

Answer:

3.03 Billion Days or 8.30 Million years

Explanation:

Given,

No. of micrometeorite impacts per day on the Lunar surface = 25000000

Impacts needed to erase a footprint = 20

Area of footprint = 300 cm²

We know that surface area of the Moon = 37.93 Million Km² = $37.93\times 10^{16} cm^{2}$

To find: How long will it take to erase one footprint?

Using the above information,

No. of impacts per cm² per day is

$= \frac{25000000}{37.93\times 10^{16}}$

No. of impacts on area of a foot print (300 cm²) per day will be,

$= \frac{25000000}{37.93\times 10^{16}}\times 300$

$= 6.59\times 10^{-9}$

To erase the footprint there must be 20 impacts on the area of footprint.

Time taken for $6.59\times 10^{-9}$ impacts = 1 Day

Time taken for 1 impact is

$= \frac{1}{6.59\times 10^{-9}} days$

Hence, time taken for 20 impacts will be

$= \frac{1\times20}{6.59\times 10^{-9}} days$

$= 3.03 \times 10^{9} days$

$= \frac{3.03 \times 10^{9}}{365}years$

$= 8.30 \times 10^{6} years$

It would take around 3.03 Billion Days or 8.30 Million years for one of the footprints left by the Apollo astronauts to be erased.

6 0

3 years ago

What are temperature lines and Illumination zones?

Nina [5.8K]

Answer:

Answer:

Explanation:

Usually when the winds are from the south, and you have isotherms (temperature lines) perpendicular to the isobars (pressure lines) you have warm air advection (warm air moving up from the south).

5 0

3 years ago

Select any/all of the following that are TRUE statements about convergent plate boundaries. Convergent boundaries are where two

Virty [35]

Answer:

From the statements mentioned about Convergent Boudaries we can select the following as true.

- Convergent boundaries are where two plates move toward each other. By definition this statement is true.

- New oceanic plate (oceanic lithosphere) is created at convergent boundaries. True, a new oceanic plate can form from the action of convergent boundaries at midocean, lava and million of years do the remaining job.

- Convergent boundaries that have subduction occurring provide a "pull" force that contributes to plate motion. False, Subducting melt and ascend trough the rock creating a volcanic eruption cone and producing an island chain.

- Oceanic plates can be destroyed at convergent boundaries due to subduction. False, The older plate will subduct due to its density and it is forced deep into the mantle, it will melt once the deepth is reached.

3 0

3 years ago

Hitler was born and raised in the nation of ________________.

DerKrebs [107]

Hitler was born and raised in Austria until going to Germany in 1913 (I believe).

8 0

3 years ago

which features are often formed by orogenic events? 1. foreland basins 2. mountain ranged 3. nappes 4. sediments

Gnesinka [82]

Answer:

2. Mountain Ranged

Explanation:

Orogeny is the primary mechanism by which mountains are formed on continents. An orogeny is an event that takes place at a convergent plate margin when plate motion compresses the margin. This leads to both structural deformation and compositional differentiation of the Earth's lithosphere.

4 0

2 years ago

Describe three measures that can be used to solve water shortages​

Describe three measures that can be used to solve water shortages