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Yanka [14]
3 years ago
6

In 2002, Colorado was suffering from extreme drought. Which technology will help Colorado reduce the effects of future droughts?

Geography
2 answers:
Blababa [14]3 years ago
7 0
I think the correct answer would be B
Wittaler [7]3 years ago
5 0
The correct sentence is B
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2. A 260 em cylinder container was used to collect an undisturbed soil sample. The container and soil weighed 403 g when dried.
sineoko [7]

Answer:

The Bulk density = 1.3 g/cm³

the porosity of the sample is 132 cm³

Explanation:

Given:

Volume of cylinder = 260 cm³

Mass of container and the soil = 403 g

Mass of the empty container = 65 g

Thus,

The mass of the soil is = 403 - 65 = 338 g  

Now,

The Bulk density = \frac{\textup{Mass}}{\textup{Volume}}

or

The Bulk density = \frac{\textup{338 g}}{\textup{260}}

or

The Bulk density = 1.3 g/cm³

also,

average particle density for mineral soil is usually given as 2.65 g/cm³

i.e the air present in the given soil sample has reduced its density from 2.65 g/cm³ to 1.3 g/cm³

The mass of the whole sample = Volume × Density

= 260 × 2.65

= 689 gm

but,

The actual mass of the dry sample = 338 g

thus,

Mass of air in the sample = 689 - 338 = 351 g

Therefore,

the volume of 351 g soil = \frac{\textup{mass defect of soil}}{\textup{density of soil}}

=  \frac{\textup{351}}{\textup{2.65}}

= 132.45 cm³

so the porosity of the sample is 132 cm³

4 0
3 years ago
Can someone please help me will mark u brainliest !!
Nataly_w [17]

Answer:

perceptual region

Explanation:

popular views of the sahara desert, is based on imagination and perception. Hence, the answer.

7 0
2 years ago
Where does all of the planets get there names from​
poizon [28]

Answer:

its from the Roman Gods and some Greek

Explanation:

3 0
3 years ago
Oil-rich countries in the Middle East cover about 4% of Earth’s total land area but possess about 48% of the world’s known oil r
hodyreva [135]

Answer:

GEOLOGICAL PROCESSES

Explanation:

pls mark brainliest

8 0
3 years ago
Do carbon dioxide and methane affect energy ENTERING or EXITING the earth's system? <br> PLEASE HELP
shusha [124]

Answer:

I believe the answer would be it affects energy exiting the Earth's system.

Explanation:

4 0
3 years ago
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