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GalinKa [24]
3 years ago
10

Which food or drink item is a homogeneous mixture?

Biology
2 answers:
TiliK225 [7]3 years ago
5 0

the correct answer would be C. Coffee is a homogenous mixture.

VikaD [51]3 years ago
5 0

A cup of black coffee is a homogenous mixture.

Answer: Option C

<u>Explanation</u>:

The mixture in which the solvent and solution present cannot be distinguished from one another as they are uniformly distributed and it is called as homogenous mixture.

In case of heterogeneous mixture it is very easy to identify the component present in it. Among the mixtures given in the options, a cup of black coffee is homogenous mixture as the components present are not differentiated.

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Oceans and seas can act as a heat reservoir to regulate climates. They can absorb great quantities of heat in the summer, with v
Klio2033 [76]

Answer:

The high specific heat of water caused by hydrogen bonding

Explanation:

Specific heat capacity of a substance is the quantity of heat required to raise the temperature of a unit mass of that substance by one degree Celsius (1° C).

Due to the hydrogen bonding present in water, water has a high specific heat capacity of 4184 Joules per kilogram. This means that, water has to absorb 4,184 Joules of heat for the temperature of one kilogram of water to increase 1°C. When compared to other substances such as metals, this is very high. For example, the specific heat capacity of copper is 385  Joules per kilogram which means that it only takes 385 Joules of heat to raise 1 kilogram of copper 1°C.

Therefore water, can absorb a large quantity of heat with very little changes in its temperature. This property of water helps the oceans and seas to serve as heat reservoirs by absorbing a large quantity of heat in hotter seasons and releasing these heat in colder seasons.

4 0
2 years ago
People with an overactive form of ________ feel ill after drinking even small amounts of alcohol.
choli [55]
B. adh (alcohol dehydrogenase)
5 0
3 years ago
What is the “new” base found in RNA?
Tatiana [17]

Answer:

Uracil

It is my answer. I hope this helps

8 0
3 years ago
What planktonic organisms eat Prorocentrum lima
kirill115 [55]

Answer:

<em>Artemia salina</em> (brine shrimp)

Explanation:

<em>Prorocentrum lima</em> is a highly-toxic benthic species that usually reproduces and inhabits in tropical areas. It is the main cause of toxicity in humans after consuming it unintentionally while eating seafood.

Brine shrimps (<em>Artemia salina</em>) have been observed to prey on these organisms. However, according to researchers, <u>some individuals die shortly after consuming one specimen. Others have been observed to die after consuming multiple specimens</u> of <em>Prorocentrum lima</em>. This indicates that, although it is consumed by this planktonic organism, it is still highly toxic and lethal for brine shrimps.

8 0
3 years ago
Which of the following does not occur due to passive transport?
erastova [34]

Answer:

c - the volume of solution changes due to movement of water.

Explanation:

Passive transport is the movement of a substance from an area of high concentration to a low concentration across a semi-permeable membrane, that occurs without the expenditure of energy.

Option A is true: substances will always move from an area of high concentration to a lower concentration. This creates what is called a concentration gradient (which forms when a physical area contains a range of concentrations of s particular substance (option D). This occurs until the concentration of a solution approaches an equilibrium, as indicated in option B.

However, the movement of substances does not affect the movement of or the volume of water, only the chemicals, ions etc. in the water.

8 0
3 years ago
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