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never [62]
3 years ago
14

In a desert, soil containing a mixture of sand and small rocks is exposed to wind erosion. Over time, how would the land surface

change?
Chemistry
2 answers:
Alecsey [184]3 years ago
5 0

The correct answer to this open question is the following.

In a desert, soil containing a mixture of sand and small rocks is exposed to wind erosion. Over time, the land surface change in that the wind picks up sediment carrying it over until falls on top of each other to form dunes.

Wind erosion affects deserts. There is no vegetation and lack of rain, so wind removes the fertile portion of the soil. Deserts are arid and dry, and the high-speed wind is a constant in these regions. Another issue of Deserts is the extreme temperatures that could be found in desertic zones. Very hot weather during the day, and very cold at night.

amid [387]3 years ago
3 0
Sand dunes would be created due to the mixture falling on each other
x
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Neptune is 30 AU (astronomical units) from the sun. How long, in light minutes, would it take for light from the sun to reach Ne
shtirl [24]

Answer:

250 light minutes takes

Explanation:

1 astonomical unit is equal to 1.50x10¹¹m

The light travels at the speed of 3.0x10⁸m/s. That means in 1 second, travels 3.0x10⁸m. To solve this question we must find the distance of neptune to the sun in meters. In this way we can find the seconds (And minutes) that need the light to travel from the sun to neptune:

<em>Distance from Sun to neptune:</em>

30AU * (1.50x10¹¹m / 1AU) = 4.5x10¹²m

<em>Time transcurred:</em>

4.5x10¹²m * (1s / 3.0x10⁸m) = 15000s

15000s * (1min / 60s) =

<h3>250 light minutes takes</h3>

7 0
3 years ago
What type of covalent bond is formed between amino acid molecules during protein synthesis? peptide bond electrovalent bond hydr
Brums [2.3K]

The type of covalent bond is formed between amino acid molecules during protein synthesis will be  <u>"peptide bond".</u>

<u />

A peptide bond would be a sort of covalent link that connects an amino acid's carboxyl group to its amino group. Amino acids itself were comprised of atoms bonded together through covalent bonds.

Two atoms share an electron pair equally in a covalent link. Peptide (amide) but also disulfide links between amino acids, as well as C-C, C-O, and C-N bonds within amino acids, represent examples of significant covalent bonds.

Therefore, the type of covalent bond is formed between amino acid molecules during protein synthesis will be  <u>"</u><u>peptide bond"</u><u>.</u>

<u />

To know more about covalent bond

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8 0
1 year ago
Which series of atomic numbers represents the ordering of consecutive elements within the periodic table?
statuscvo [17]

Atomic number is same as the number of protons in the element which is further equal to the number of electrons. As the number of electrons increases in the element, the atomic number of the element also increases.

In periodic table, elements are arranged in the groups, and these groups are columns starting from 1 to 18, elements are arranged in increasing order of atomic number. Elements are placed with difference of one atomic number.

First four elements present in the periodic table is:

He atomic number is one (1).

H atomic number is two (2).

Li atomic number is three (3).

Be atomic number is four (4).

Thus, the series of atomic numbers that represents the ordering of consecutive elements within the periodic table is the last option - 1, 2, 3, 4...




4 0
3 years ago
Read 2 more answers
In the reaction 3H2 + N2 → ____ NH3, what coefficient should be placed in front of NH3 to balance the reaction?
zubka84 [21]
2. 3H2 + N2 means you have 6 Hs and 2 Ns. NH3 has one N and 3 Hs, so you need 2 NH3s in order to have the 2 and 6 of each that you need on both sides of the reaction.
5 0
3 years ago
You are given 100 g of a compound. The compound is composed of 37% hydrogen and 63% oxygen. How many grams oxygen are present in
USPshnik [31]

mass_{oxygen} = \%mass_{oxygen} \times mass_{compound} \\ m = 63\%(100) \\ m = 0.63(100) \\ m = 63 \: grams

<h2>Option d</h2>
7 0
1 year ago
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