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Mrac [35]
3 years ago
7

What instrument do we normally use in our labs at school to observe microscopic things?

Biology
1 answer:
Musya8 [376]3 years ago
6 0

Answer:

A microscope!

Explanation:

A microscope is used to magnify objects that are too small to be seen by the human eye. I hope this helps! :)

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Which of the following correctly compares cloning and gene therapy?
Gala2k [10]

Answer:

Both cloning and gene therapy are types of biotechnology.

Cloning is a type of biotechnology and gene therapy is not a type of biotechnology.

8 0
3 years ago
Why do scientists need to study seismic waves to analyze the interior of the earth and the layers of the earth?
DaniilM [7]

Answer:

Answer 1:

Seismic waves, the waves of energy that travel through the Earth as a result of an earthquake can tell us a lot about the internal structure of the Earth because these waves travel at different speeds in different materials. There are two types of waves that travel through the Earth: p-waves and s-waves.

P- waves are faster and they can travel through both solids and liquids. S-waves are slower and cannot travel through liquids. For both kinds of waves, the speed at which the wave travels also depends on the properties of the material through which it is traveling.

Scientists are able to learn about Earth’s internal structure by measuring the arrival of seismic waves at stations around the world. For example, we know that Earth’s outer core is liquid because s-waves are not able to pass through it; when an earthquake occurs there is a “shadow zone” on the opposite side of the earth where no s-waves arrive. Similarly, we know that the earth has a solid inner core because some p-waves are reflected off the boundary between the inner core and the outer core. By measuring the time it takes for seismic waves to travel along many different paths through the earth, we can figure out the velocity structure of the earth. Abrupt changes in velocity with depth correspond to boundaries between different layers of the Earth composed of different materials.

Explanation:

7 0
3 years ago
Which of these are examples of satire? check all that apply?
Mandarinka [93]
<span>1. a magazine article exaggerating the publics extreme reaction to a celebrity
2. a funny political cartoon exposing the flaws in a new government policy
3. an ironic short story that draws attention to how unmotivated people can be</span>
4 0
3 years ago
What causes the jet stream?
Tanya [424]
Even though the wind tries to flow from high pressure to low pressure, the turning of the Earth causes the air flow to turn to the right so the jet stream flows around the air masses, rather than directly from one to the other.hope this helped I just learned this two weeks ago
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3 years ago
Cell division by meiosis occurs in
BabaBlast [244]

germ cells

it occours in the germ cells

3 0
2 years ago
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