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tangare [24]
3 years ago
7

What is the prime characteristic that geologists use to separate minerals into classes?

Geography
1 answer:
sladkih [1.3K]3 years ago
5 0
A mineral is a naturally occurring,inorganic, crystalline substance that aggregate to form rocks. Geologists separate minerals into classes based on their chemical composition. The different classes of minerals include halides, oxides, phosphates and sillicates.  Rocks are usually classified based on the grouping and composition of minerals in rocks. 
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Which of the following is NOT true of dry lands? Areas too dry for farming cover about 20 percent of the Earth's surface Deserts
umka21 [38]

Answer:

No agriculture can take place in dry lands due to lack of water.

Explanation:

This is the statement that is not true of dry lands. It is true that dry lands are generally not suitable for large-scale agriculture. However, this does not mean that no agriculture can take place in them. People who have lived in dry lands for generations often farm in a small scale. Moreover, they grow crops that are resistant to this lack of water. Finally, some dry lands are significantly productive due to the use of artificial irrigation.

5 0
3 years ago
(06. 02 MC)
Serhud [2]

Answer:

it diameter of wooden fence post. He's one ft and height of who then fence post. He called to six ft. The surface area of one would in fence post huge by B. S. Plus to buy our square. This equal to six 3.14 into one into six Plus two into 3.14 into one by two square. So this is equal to 18.84 plus 1.57 feet is square. This is equal to 20 hold one feed is square. So the surface area for 12 Friends First is 20 .41 into 12, Which is equal to 244 .92 ft Square. Does the amount of paint required to paint all the surface of the face Post? Age 2 4 4.92 ft Square. Thank youyou

Explanation:

6 0
3 years ago
Which of the following are pollutants? a. soot b. CFCs c.Fossil fuel emissions d. sewage
Stolb23 [73]
I would have to go with Sewage mostly because it smells and because it can really hurt the environment. Plants can die and it just is gross to smell. So this would definitely pollute the earth. I hope this helped! :D
5 0
3 years ago
Read 2 more answers
what is the azimuth of the sun at sunrise on the Vernal Equinox? At what other day during the year is the azimuth of the sun the
Radda [10]

Answer:

March equinox is day during the year when all the daylight of the sun is asme at sunrise and sunset.

Explanation:

  • Equinox is the time when the plane of the earth passes through the centre of the sun. Occurring around 23 March and 23 Sept. The vernal equinox is also called as the spring equinox.
  • The azimuth of the sun is the angle of the sun's position defined by the relative direction along the horizon. However the most commonly followed convection for analyzing the sun radiation is 90 degrees east, south 180 degrees and west is 270 degrees.  
  • As sunrise and sunset are defined by the upper limb of the solar disk. These conditions produce patterns of night and day as the sun appears to move just above the horizon at an angle of 0.39 degrees per day as the equinox passes.
6 0
3 years ago
Let p: a student is in the math club and q: a student is in the debate club. The verbal translation of p ∨ q is: A student is in
mestny [16]

Answer:

1) p v q: A student is in the Math Club or is in the debate Club. 2) p v q is not true for all students. (Check the table below)

Explanation:

In  Logic, we have symbols for those propositions. This is a disjunction.

1)  The verbal translation for this:

Since

p: A student is in the Math Club

q: A student is in the debate club

p v q: A student is in the Math Club or is in the debate Club.

2) By doing the Table Truth, we can see when this is true. The only possible way a disjunction is false is when both single statements are false.

Check below.

6 0
3 years ago
Read 2 more answers
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