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Sholpan [36]
2 years ago
8

Which statement best describes Earth's oceans?

Biology
2 answers:
goldenfox [79]2 years ago
8 0

Answer:

Ocean covers most 0f the planet's surface and contain nearly all its water.

Explanation:

The ocean is a constant form of salt-water that incorporates more than 70 percent of the Earth's exterior. Ocean courses command the world's climate and shake a kaleidoscope of experience. ... Smaller ocean domains such as the  Gulf of Mexico, Mediterranean Sea, and the Bay of Bengal have recognized seas, gulfs, and bays.

gogolik [260]2 years ago
4 0

Answer: <em>C  (i need 20 or more words lol) </em>

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Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable?
atroni [7]

Answer:

<u>d. Transport proteins within the membrane serve as a tunnel for molecules to enter the cell. </u>

<u />

Explanation:

Solutes are typically moved across the cell through either passive or active transport. The cells, surrounded by a bilipid layer or plasma membrane is amphiphlic- its polar, hydrophilic lipid heads face outwards, while their non-polar hydrophobic lipid tails face inwards towards each other.

While lipid-soluble molecules move across the layer easily, it is also difficult for charged and also large molecules to move across its surface, into the cell. Transmembrane channels, <u>embedded within the membrane</u>, help to maintain selective permeability as transport proteins, pores and gated channels. Simple diffusion happens as a method of passive transport in cells through plasma membranes.

The solutes travel through the plasma membrane in the process of diffusion from regions of high concentration to regions of low concentration; this occurs without the use of energy. <u>Molecules moving against their concentration require active transport mechanism to cross the membrane</u>.

3 0
3 years ago
How do you get a population of dark colored mice?
anyanavicka [17]

Answer:

they have a genetic mutation that affects their fur color

Explanation:

:)     <em>  it izz wat it izzzz!!!</em>

7 0
3 years ago
Which formula represents Charles’s law?
3241004551 [841]

Answer:Charles law is best represent by the formula, V1T2 = V2T1.

Explanation:

Charles law states tat for an ideal gas, at constant pressure, the absolute volume of a gas is directly proportional to the temperature

4 0
3 years ago
Read 2 more answers
Which component of the ecosystem is responsible for returning nutrients back to the food chain?
ArbitrLikvidat [17]

Answer:

The answer should be C) detritivores

Explanation:

Decomposers (fungi, bacteria, invertebrates such as worms and insects) have the ability to break down dead organisms into smaller particles and create new compounds. We use decomposers to restore the natural nutrient cycle through controlled composting. Hope this helped and it was correct :)

3 0
2 years ago
QUESTION 5
Eva8 [605]
<h2>Answer:</h2>

The weak acid <u>D) acetic acid</u>.  

<h2>Explanation:</h2>

Acid are the substance which has pH below 7 and releases \bold{H^+} ions when they are treated with aqueous solution. Based upon the rate of dissociation, the acids are classified as strong acids which has high dissociation rate and weak acid with low dissociation rate.

Acetic acid is a organic acid with the formula \text{CH_3COOH}. It is a colorless acid and also named as ethonoic acid.

Among the given list of acid in the option which includes, Sulfuric acid, Nitric acid, Hydrochloric acid, and Acetic acid, first three are strong acids, whereas the lastly mentioned is a weaker one.  

7 0
3 years ago
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