I do not get question 2 and 3 they are really hard someone can help me??

Answers

Answer 1

Answer: for number 2 over the counter medicine is medicine u just buy but prescription medicine is medicine recommended by ur doctor.

Medicine benefit people because the types of nutrients help ur body grow healthy. Medicine can grow harmful by u taking an overdose which harms u

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Why is fusion nuclear energy currently not widely used as a source of electricity? Fusion reactions have not yet been achieved.

Fusion reactions cannot be controlled.

Fusion reactions require very high temperatures and pressure.

Fusion reaction energy cannot be converted into electricity.

Answers

Answer:

Fusion reactions require very high temperatures and pressure.

Explanation:

Fusion reactions are nuclear reactions where two small nuclei combine or fuse together to give a larger nuclei or different nuclei with some more sub atomic particles.

The source of energy in sun is fusion reaction between hydrogen to give helium nucleus.

For fusion of two nuclei , a particular energy barrier is to be overcome by the nuclei to come closer.

For this a large amount of initial energy (which is attained by high temperature and high pressure) is required. Hence this makes the candidature of nuclear fusion less favorable as compared to fission.

it’s C. fusion reactions require very high temperature and pressure

What cause local winds to form?

Answers

Local winds are small-scale winds produced by local changes in air pressure

Dits causes from air when it's raining and then it stops and I The wind will come

6. What is SEAgel?a lightweight foam insulation
a skin conditioner made from seaweed
a semi-liquid semiconductor

Answers

The answer that you are looking for would be a

Answer:

a lightweight foam insulation

Explanation:

if you were going to try to get the noble gas argon to combine with another element, would fluorine be a good choice?

Answers

I guess I should say yes.
Due to its high activity, people use it to produce compounds of noble gas. Such as Xe, but for Argon and Fluorine, it requires very special conditions, super low temperature, and other conditions.

5 examples of a combustion reactions.

Answers

1.) C2H6 + O2 ---> CO2 + H2O
2.) CH4 + O2 ---> CO2 + H2O
3.) C6H12O6 + O2 ---> CO2 + H2O
4.) C2H5OH + O2 ---> CO2 + H2O

(The numbers are the little tiny 2's or 3's next to the letters!)

In which situation can a mixture always be called a solution?

Answers

Answer: When the mixture is homogeneous

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