PHYSICS HIGH SCHOOL

Earthquakes occur on the earth today, so we can assume they occurred in the past. Which important geologic principle does this sentence support?A. superposition
B. original horizontality
C. uniformitarianism
D. faunal succession

Answers

Answer 1
Answer: the answer is c your welcome 
Answer 2
Answer: the answer is A superposition...........

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Which of the following types of electromagnetic radiation is most dangerous? a. x rays
b. gamma rays
c. infrared rays
d. ultraviolet rays

Answers

The answer is B, Gamma rays.

true or falsethe precision of calculated answers is limited by the least precise measurement used in the calculation

Answers

That's true, you can't get any more precise than what's measured to the least precision.

Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride

ethyl alcohol

water

ammonia

Answers

Answer;

Potassium chloride

Explanation;

  • Potassium Chloride is an ionic compound and has ionic bond which is stronger than covalent bond in ethyl alcohol,water ,ammonia, and thus has the highest boiling point .
  • ionic bond is a type of bond that results from the transfer of electrons between metallic atoms and non-metallic atoms.

Two pots are filled with boiling water. The pots are exactly the same size, but one pot is white and the other is black. Which pots cools faster?a. The black pot.
b. The white pot.
c. Neither—they both cool at the same rate.

Answers

The correct answer for the question that is being presented above is this one: "c. Neither—they both cool at the same rate."Two pots are filled with boiling water. The pots are exactly the same size, but one pot is white and the other is black. c. Neither—they both cool at the same rate.

Which of the following is the best example of a proper hypothesis? Orange popsicles taste sweeter than grape popsicles. If two objects are dropped at the same height, the heavier object will hit the ground first. Children who wear backpacks do better academically. I think there is no effect on hearing if you listen to loud music only three hours a day.

Answers

Answer:

If two objects are dropped at the same height, the heavier object will hit the ground first.

Explanation:

A proper hypothesis has the form:

"If ... , then ... ".

Now, why the other sentence aren't hypothesis?

  • Orange popsicles taste sweeter than grape popsicles.

This sentence its an OPINION. It may be true that, for the speaker/writer, orange popsicles taste sweeter, but this is an subjective opinion, and difficult to test.

  • Children who wear backpacks do better academically.

This sentence its an STATEMENT. If we wish to make an proper hypothesis, it should take the form:

If children wear backpacks, then they do better academically.

  • I think there is no effect on hearing if you listen to loud music only three hours a day.

This sentence its another OPINION.  This opinion COULD be tested, but the proper way of write it as an hypothesis would be:

If someone listed to loud music only three hours a day, then there shoul be no effect on his/her hearing.

Answer:

Answer is:If two objects are dropped at the same height, the heavier object will hit the ground first.

Explanation:

How far away is Earth from the Sun?a. 93 miles
b. 93 thousand miles
c. 93 million miles
d. 93 billion miles

Answers

d. 93 billion miles

Earth, being the third planet from the sun is unique in the universe  because it is currently the only planet known to support life. Earth's distance from the sun is really one of  the key reasons why it is has widespread  life.Earth occupies what scientists sometimes call the Goldilocks zone. Its distance from the sun means its neither too hot nor too cold to support liquid water. Water is thought to be a key ingredient for life. The energy from the sun in just the right intensity and the availability of water on the earth make it possible for life to thrive on earth. Plants use both these resources for photosynthesis and make nutrients that are available to support the life of animals on the earth. 
The answer is c. 93 million miles.
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Geologists cannot yet predict earthquakes because