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nadya68 [22]
4 years ago
5

Which substance is a compound? water gold oxygen hydrogen HURRY PLEASE !!

Biology
2 answers:
Ray Of Light [21]4 years ago
7 0
Oxygen is a compound.
VashaNatasha [74]4 years ago
3 0

Answer:

water is is a compound substance

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How does over-irrigation lead to salinization?
Elena-2011 [213]

Answer:

Salinity from irrigation can occur over time wherever irrigation occurs, since almost all water (even natural rainfall) contains some dissolved salts. When the plants use the water, the salts are left behind in the soil and eventually begin to accumulate

Explanation:

6 0
3 years ago
A botanist observes a large population of a particular type of beetle eating the leaves of one tree but not the leaves of a near
solniwko [45]
The answer is <span>Determine why the beetle is eating one tree but not the other.

The botanist should first d</span><span>etermine why the beetle is eating one tree but not the other. By determining that, he will understand what connects beetle to the tree. This will also explain does the tree benefits from this interaction or not.</span>
5 0
3 years ago
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In the northern hemisphere, winds associated with a low-pressure system system blow ___. ?
Lelu [443]
<h3><u>Answer;</u></h3>

A. counterclockwise toward the center

<h3><u>Explanation;</u></h3>
  • <em><u>In the Northern Hemisphere, winds associated with a low-pressure system blow in a counterclockwise direction towards the center, while those that are associated with a high-pressure system blow in clockwise direction outwards from the center.</u></em>
  • In the Southern Hemisphere on the other hand, winds that are associated with a low-pressure system blow clockwise towards the center.
  • <em><u>The rotation of the earth creates a force called the Coriolis force, which gives the wind that is within high pressure systems a clockwise circulation in the northern hemispheres and a counterclockwise circulation in the southern hemisphere.</u></em>

7 0
4 years ago
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What type of amino acids would you expect to find at the core of a water-soluble globular (solid-spherical) protein
PIT_PIT [208]

Hydrophobic amino acids are buried at the core of a water-soluble globular protein.

<h3>What makes globular proteins water soluble?</h3>

Numerous hundreds to thousands of amino acids are used to make proteins. The arrangement of amino acids within a protein molecule determines its ultimate form. A protein molecule is classified into two classes—fibrous proteins and globular proteins—based on its final shape.

The structure of globular proteins resembles a ball or a globe. A globular structure is created by the folding of different amino acid chains. The two most significant globular proteins present in the human body are hemoglobin and myoglobin. The hydrophobic side chains of the amino acids are hidden inside the cores of the domains whereas the hydrophilic side chains are located on the surface of the molecule thanks to the arrangement of the amino acids.

The hydrophobic amino acids can be buried in the center of globular proteins due to interactions between the hydrophobic groups in their side chains. This is the fundamental property of globular proteins that makes them water soluble.

Examples of hydrophobic amino acids are phenylalanine,  alanine, valine, etc.

Learn more about hydrophobic amino acids here:

brainly.com/question/1594040

#SPJ4

5 0
2 years ago
The level of which hormone increases after ovulation?
MArishka [77]

The answer should be C, progesterone.


Progesterone is the hormone which can help maintain the lining of uterus and to further thicken it so that the uterus is prepared for implantation and the development of a baby. The level of progesterone is significantly rose after ovulation.


On the other hand, LH, luteinising hormone, is produced by oestrogen, another female hormone which will drop after ovulation. LH helps stimulate ovulation and prevent the development of other follicles, the origin of eggs, to form yellow body instead. Which yellow body is the one which stimulates the production of progesterone.


Last but not least, I believe D should be testosterone, and it is a male hormone so it will not be found in female normally.


Therefore, your answer should be C, progesterone.

3 0
4 years ago
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