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ValentinkaMS [17]
3 years ago
6

Probability is a number that describes how likely it is that a certain event will occu O True O False​

Chemistry
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

Between 0 and 1

Explanation:

Hope this helps :)

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21. _____ Which of the following entities has the greatest mass?
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I believe it’s D because phosphorus has the mass of 30.9.
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3 years ago
Briefly describe four ways that a beam can be strengthened?​
lara31 [8.8K]

Answer:

1. Changing Beam Material

2. Corrugation

3. Changing Beam form

4. Steel Reinforcing Bars

Explanation:

Changing Beam Material

Some materials are stronger when used in beams than others. Beams made of steel for instance are stronger than beams made of wood. Therefore changing material can improve the strength of the beam. It is quite important to take into account the weights of the material though as different structures have different requirements.

Corrugation.

You can fold the beam into triangular shapes to increase strength. If you look at roofs you will notice that they are folded and this increased their strength. The same logic can be applied to beams.

Changing Beam Form

Another way to make Beams stronger is to change their form or rather their shape. Straight beams are not as strong as I-beams for instance. I-beams look like the capital letter I with the lines at both ends. I-beams are usually used in construction which shows that they are quite strong.

Steel Reinforcing Bars

When placed in concrete beams, Steel Reinforcing Bars which are also called Rebar can help strengthen a beam by helping it withstand the forces of tension. A concrete beam with Rebar inside it is known as Reinforced Concrete.

8 0
3 years ago
A student decided to research primate psychology for their science project. They measured how long it took gorillas to adapt to
Gwar [14]

Answer: the answer is  D im pretty sure

Explanation:

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What is the total number of moles of oxygen atoms in 1 mole of N2O3
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N₂O₃

3 moles oxgyen atoms in 1 mole .

hope this helps!


7 0
3 years ago
Which of the following is a combustion reaction
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I didnt see the answers for answer your question
5 0
3 years ago
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