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kvasek [131]
3 years ago
12

Please help me with my homework .I really do not understand these questions ,help!

Biology
1 answer:
BigorU [14]3 years ago
5 0

Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay, but may also be produced in oth

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PLEASE HELP MEEEEE QUICKLYYYY
Setler [38]

Answer:

Percent error = 8.3%

Explanation:

Given data:

Accepted value of specific gravity = 7.2

Measured value of specific gravity =  7.8

Percent error = ?

Solution:

Percent error = measured value - accepted value / accepted value × 100

Now we will put the values in formula.

Percent error = 7.8 - 7.2/7.2 × 100

Percent error = 0.6/7.2 × 100

Percent error = 0.083 × 100

Percent error = 8.3%

7 0
3 years ago
Which property of water makes it helpful to use in car radiators?
nexus9112 [7]

Answer:

Specific heat capacity is the property of water that makes it useful in car radiators.

Explanation:

Water has a high specific heat capacity. So it is used as a coolant in car radiators and helps maintain temperature of car engines.

4 0
2 years ago
Which scatterplots have clusters? Check all that apply.
slavikrds [6]

Answer:

On a graph, points are grouped closely together.

I only put one answer because the choices repeat.

6 0
3 years ago
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Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5 percent
lora16 [44]

Answer:

C) Water will move out of the cell.

Explanation:

In microbial growth experiments, when a bacterium is placed in a Petri dish with a solution that contains dissolved salt (NaCl) - a hypertonic solution -, the result will lead to the <u>dehydration and shrinking of the bacterial cell</u>.

This condition will eventually cause the rupture of the cell, resulting in the diffuse of H20 molecules from the plasma membrane, that is, the water moving out of the cell.

6 0
2 years ago
I have to write an essay for science and I don't understand what I am supposed to do someone please explain.
Whitepunk [10]
Hope it helps
Basically write about the production of proteins molecules through transcription and translation and talk about the words listed, what them mean, and how they contribute. 
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3 years ago
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