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aleksklad [387]
2 years ago
13

The photograph shows the most abundant substance on Earth's surface.

Biology
2 answers:
UkoKoshka [18]2 years ago
7 0

Answer:

B

Explanation:

A compound can easily be separated into substances by chemical processes but a mixture can't.

Svetradugi [14.3K]2 years ago
7 0
It should be B ,it can be separated into two substances by a chemical process
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The steps or parts of a pattern of propaganda include organization, argument, publicity and ______ .
ioda

Answer:

Persuasion

Explanation:

Propaganda is manipulation with public opinion, it is a technique of influencing people’s actions through arguments and persuasion. Propaganda can be done in various ways and some of them are oral, written and visual ways.

As propaganda’s purpose is to convince people in something, techniques used for propaganda are founded on psychological research. People who use propaganda use arguments that don’t have to be valid but have to be convincing.

7 0
3 years ago
The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n
anzhelika [568]

Answer:

B

Explanation:

The lung not being not been able to exchange and remove the carbon dioxide created a health problem due to the concentration of hydrogen ions (H+) being 10X being higher than in normal body. Although the difference is just about 1, it will result increase hydrogen ion concentration 10 times, similarly an increase or decrease in pH from 4 to 2 will give rise to 100 times increase in hydrogen ion concentration. It can equally be applied to hydroxyl in concentration.

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3 years ago
3. Sketch a before and an after diagram of an animal cell placed in a hypotonic<br> solution
BabaBlast [244]
The animal cell will swell and then eventually burst when placed in a Hypotonic Solution.

4 0
2 years ago
Which of the following structures would you expect to find in a single-celled organism?. A) internal organs. . B) legs and feet.
Karo-lina-s [1.5K]

The correct answer is:

C) outer covering

The structure that you should expect to find in a single celled organism is : C. outer covering.Single celled organism still hasn't developed a complex body structure, so it definitely won't have legs, internal organs, or brain.

Explanation:

None of the other answers can happen due to the combined solutions disability to reach the center of the organism, smaller cells in higher numbers are more effective as they can group commonly yet all receive the right amounts of nutrients for its need. multicellular organisms, such as humans can have the other answers in them as cells group collectively to make skin, muscles, and organs. it also provides the body to grow larger.



7 0
3 years ago
Read 2 more answers
The least-equipped organisms may not survive True False
Mademuasel [1]

Answer:

True

Explanation:

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3 years ago
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