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mario62 [17]
3 years ago
7

30 POINTS IF YOU CAN FIND THE ANSWER. When is Earth's axis tilted neither toward nor away from the sun?

Chemistry
1 answer:
Yuki888 [10]3 years ago
5 0

Answer:

Vernal and autumnal equinoxes :)

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What's another way to increase the solubility of a solid solute without increasing the temperature?
steposvetlana [31]

Key Points

For many solids dissolved in liquid water, the solubility increases with temperature.

The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.

4 0
3 years ago
Click on the graph to show the correct relationship between altitude and boiling point
spin [16.1K]

Explanation:

This graph shows that an increase in altitude causes a relative decrease in  boiling point temperatures. The two variables, it can be said, are inversely proportional.

This is because, with an increase in altitude, there is a proportionate decrease in air pressure. This means the vapor pressure of the fluid becomes strong enough, at a relatively lower temperature, to overcome the air pressure and for the liquid to boil.

This is why water can even boil without inputting heat into it but rather by just reducing the ambient air pressure.

8 0
4 years ago
Read 2 more answers
some regions of a polypeptide may coil or fold back on themselves. this is called , and the coils or folds are held in place by
diamong [38]

some regions of a polypeptide may coil or fold back on themselves. this is called <u>secondary structure</u> , and the coils or folds are held in place by <u>hydrogen bonds</u>

<u></u>

After translation, primary structure is just the arrangement of amino acids. The interactions between the carbonyl, amino, and side groups of the amino acid polymer backbone inside the chain result in the secondary structure of proteins. These interactions are primarily fueled by hydrogen bonds, which result in the formation of alpha helices and beta sheets, which are the primary features of proteins' secondary structures.

To create a useful three-dimensional structure, tertiary structure requires more interactions within the protein chain. Disulfide bonds between cysteines, hydrophobic contacts, ionic bonding, and dipole-dipole interactions are a few of these interactions. To create a useful, three-dimensional protein structure, several protein chains interact in quaternary structure.

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To learn more about secondary structures:

brainly.com/question/15156619

#SPJ4

<u />

5 0
1 year ago
Which determines how atoms combine to form molecules?
arlik [135]
Will be letter E cause all of them can combine molecule
7 0
4 years ago
What is an ecosystem? Please use your own words
ExtremeBDS [4]

Answer:

An ecosystem is a community of species.

Explanation:

i hope this helps i tried^^

7 0
3 years ago
Read 2 more answers
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