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SVEN [57.7K]
3 years ago
5

Which statement is an example of a scientific theory?

Biology
1 answer:
Alchen [17]3 years ago
6 0

Answer:

B

Explanation:

B is referring to cell theory, which basically states that all living things are made of cells and all cells come from other cells withe the exception of the first life forms.

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What causes seismic waves
kow [346]

Answer:

The correct answer is

Explanation:

<h2> Seismic waves are  waves of energy that are caused due to an explosion caused by sudden breaking of rocks.  Earthquakes radiate seismic energy as both body and surface waves.  This is how Seismic waves are formed.</h2><h2 /><h2>Hope this helps....</h2><h2>Have a nice day!!!!</h2>
3 0
3 years ago
How much force would is required to stop a 1200kg car in 2 seconds if the car is traveling at 22 m/s
Shalnov [3]
Force required = F = ?

mass of the car = m = 1200 kg

initial velocity of the car = Vi = 10 m/sec

final velocity of the car = 0

time required to stop the car = t = 20 sec

Using Newton`s 2nd law of motion;

F = ma ………………………(1)

as a = Vf - Vi / t , put this value in equation (1)

F = m ( Vf - Vi /t ) ………………(2)

F = 1200 ( 0 - 10 /20) = - 600 N

here Negative sign shows that external force is acting in opposite direction of the motion to bring it to rest.

we can also calculate this force by using the relation

Rate of change of momentum = net force acting on the object …………(3)

m Vf - m Vi / t = net force acting on the object

m (Vf - Vi / t) = F

1200 ( 0 - 10 /20) = - 600 N = F

so, net force acting on the object =F = - 600 N

5 0
3 years ago
Please answer the following question with the picture
Svetllana [295]

Answer:

Steam

Explanation:

no explanation- it obviously says steam lol

5 0
3 years ago
Read 2 more answers
Which of the following is a benefit of using renewable resources?
Ipatiy [6.2K]

Is there an image? in the question?

7 0
3 years ago
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Imagine that you discover three different bacterial species on a meteorite. Each species contains genetic material that is not D
jeka94

Answer:

Species A: 2

Species B: 56

Species C: 162

Explanation:

Codons are sequence of 3 purine or pyrimidine bases that codes for amino acids. Each codon in mRNA eventually binds with anticodon in tRNA during protein synthesis and gets translated into their respective amino acids. Hence, the number of amino acids in each of the species represents the minimum number of codons in each species.

<em>Therefore, species A with 2 amino acids will have a minimum codon length of 2, species B with 56 amino acids will have minimum of 56 codons while species C with 162 amino acids will have minimum codon length of 162.</em>

3 0
3 years ago
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