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3 years ago

Outgassing refers to:__________

Geography

1 answer:

AVprozaik [17]3 years ago

4 0

Answer:

The correct answer is "(D) Process in which water and water vapor emerge from deep layers within and below the Earth's crust."

Explanation:

Outgassing is the release of a substance (usually gas) that was initially trapped in some material. When water and water vapor which was initially trapped from deep layers within and below the Earth's crust emerges, this process is referred to as outgassing.

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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

Brianna is deciding between planting two crops for the coming season: {corn, beans}. The two possible states of Nature are {good

disa [49]

Answer:

False

Explanation:

The beans are leguminous crops and are sensitive to the cold environment and won't begin to germinate as until the soil temperature reaches 70 F. While the corn is grown in the tropical subtropical and the temperate climates and can be grown in the woodlands and the grasslands. But needs lots of irrigation and its production is limited in the drover areas.

7 0

3 years ago

20. Find the annual salary when the monthly salary is $3,237.63.

UNO [17]

If the monthly salary is $3,237.63, you can simply multiply that by 12.

$3,237.63 x 12 = $38,851.56

Hope I helped! Have a great day.

7 0

3 years ago

2. How are desert streams different from<br> streams in humid locations?

motikmotik

Desert streams has more flash floods than the ones in humid locations. In other words, desert streams only get their water from rain.

6 0

3 years ago

Which type of plate boundary does the image show?

IceJOKER [234]

The image shows the Convergent plate boundary.

<u>Explanation: </u>

Convergent boundaries occur wherever the Earth’s tectonic plates move or collide toward each other. As the plates converge, the denser, thinner tectonic plate sub-ducts or dives beneath the lighter, thicker, more buoyant tectonic plate.

As shown in the picture, the plates are composed of rigid lithosphere consisting of the crust of the earth and the uppermost mantle. Movement of the plates is driven by convection in the asthenosphere and lower mantle, which are softer and warmer than the lithosphere and can flow on geologic timescales. Convection is fuelled by heat generated from radioactive decay of elements in the Earth.

6 0

3 years ago

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