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Ira Lisetskai [31]
3 years ago
12

Hey! pls help i’ll give brainliest

Biology
1 answer:
AveGali [126]3 years ago
7 0
A single bee is a living part of an ecosystem
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Why do methane is a gas at room temperature and water is a liquid, even though both molecules are similar in size and mass?
emmainna [20.7K]

Answer:

Water can hydrogen bond.

Explanation:

Liquids become gases once they are heated to a certain temperature. Heat is a form of energy. This change occurs when the intermolecular forces between the liquid molecules are energized enough to break. This breakage is necessary because gaseous molecules exist individually and do not interact with one another. That being said, it takes more heat to boil water because its intermolecular forces are stronger than methanes.

Intermolecular forces (IMF) are a result of partial charges on the molecular atoms that cause temporary bonds to form between molecules.

Methane is a nonpolar molecule, meaning each atom can only have slight partial charges. The strongest IMF methane participates in are London Dispersion Forces.

Water, however, is a polar molecule, with the hydrogens having strong partial positive charges and the oxygens having strong partial negative charges. This allows water to participate in a very strong IMF called hydrogen bonding. Again, because these partial charges are so strong, the water molecules can form stronger IMFs.

<u>*When molecules have stronger IMFs, they require more energy(heat) to overcome them.*</u>

3 0
3 years ago
A male cardinal's red color is an example of a trait affected by natural selection. The females of the species choose mates
Mamont248 [21]

Answer: increased variation in the shades of red because the cardinals try different ways to impress the females

Explanation: If different colors of coolors are mixed together, then its likely that throught time, new colors will develop. Good Luck!!

7 0
4 years ago
How many more cherry pies have 60 to 89 cherries than 90 to 119 cherries?
vlabodo [156]

Answer:

They are the same thing

7 0
3 years ago
Read 2 more answers
Why do the cells of multicellular organism often look different?
Zolol [24]
<span>All cells in our bodies contain the same exact DNA, believe it or not. It's all epigenetic. The different shapes and functions are due to cellular differentiation and gene expression/silencing.

</span>
8 0
3 years ago
What percentage of fish species live in freshwater ecosystems? A. 30% B. 40% C. 45% D. 35%
Crazy boy [7]
The correct answer is C this is a tricky question maybe google next time trump
7 0
3 years ago
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