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3 years ago

Which statement best explains why water is known as the universal solvent?

Biology

2 answers:

myrzilka [38]3 years ago

8 0

the answer is Water has the ability to dissolve more substances than any other liquid

reason

nearly 80% of earth is water and it is estimated that 60% of the human body is made up of water

maksim [4K]3 years ago

4 0

The correct answer is D. Water has the ability to dissolve more substances than any other liquid.

Explanation:

In chemistry, a solvent refers to a substance that dissolves other substances. In the case of water (H2O) which is composed of two atoms of hydrogen linked to one of oxygen, this is considered as the universal solvent because this liquid can dissolve most substances. This can be explained as the composition of water includes negative charges (oxygen), and positive charges (hydrogen). This causes water molecules to be attracted to most substances whether they are positively or negatively charged and therefore, water reacts with other substances and dissolves them by breaking the forces between the elements composing the substances. According to this, it can be concluded water is known as the universal solvent because "water has the ability to dissolve more substances than any other liquid".

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Real life example of block and tackle

lianna [129]

A group of people are building a house. They have a large package of building materials that needs to be moved. A block and tackle, a type of pulley, is used to pull the material up so it can be set in the back of a truck.

3 0

3 years ago

The map of a walking trail is drawn on a coordinate grid with three points of interest. The trail starts at R(−2, 4) and goes to

Zinaida [17]

Answer:

The total length will be "10 units". A further explanation is given below.

Explanation:

The given points are:

R(−2, 4)

S(3, 4)

T(3, −1)

On applying the distance formula,

⇒ $RS=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

⇒ $=\sqrt{(3-(-2))^2+(4-4)^2}$

⇒ $=\sqrt{(3+2)^2+(0)^2}$

⇒ $=\sqrt{25}$

⇒ $=5 \ units$

and,

⇒ $ST=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

⇒ $=\sqrt{(3-3)^2+(-1-4)^2}$

⇒ $=\sqrt{0+(-5)^2}$

⇒ $=5 \ units$

Now,

The total trail length will be:

= $RS+ST$

= $5+5$

= $10 \ units$

7 0

3 years ago

Why did Mendel study one trait at a time?

dexar [7]

Gregor Mendel conducted hybridization experiments on around 29,000 pea plants. Peas were an ideal choice for Mendel to use because they had easily observable traits there were 7 of which he could manipulate.

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3 years ago

Body cells that contain the full number of chromosomes, 46 in humans, are called

masha68 [24]

Answer:

somatic cells?

Explanation:

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3 years ago

How are photoelectron spectroscopy and the photoelectric effect related

earnstyle [38]

Answer: Photoelectron spectroscopy is the energy measurements of photoelectrons emitted from solids, gases, or liquids by the photoelectric effect. Depending on the source of ionization energy, it can be divided accordingly into Ultraviolet Photoelectron Spectroscopy and X-ray Photoelectron Spectroscopy.

Explanation:

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3 years ago