A/an _______ is a type of research that involves observation and collecting data but does not include a control. A. dependent variable B. investigation C. experimentation independent variable

Answers

Answer 1
Answer: An investigation is a type of research that involves observation and collecting data but does not include a control. Investigation deals principally with obtaining information from a situation which is already in existence.
Answer 2
Answer:

The answer would be B. investigation


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Help pls ill give points​

Answers

Answer:

The answer Is erosion!

Hope you do Great!

Explanation:

Answer:

weathering

Explanation:

Which of the following is the best example of uniform circular motion? A.The motion of the second hand on a clock
B.A child swinging on a park swing
C.A golf ball after it has been hit off the tee
D.A skier curving back and forth across a wide slope

Answers

The only choice that describes ANYTHING moving in a circle is ' A '.

The park swing and the skier go back and forth. 
The golf ball goes up and then down, once.

An unusual fog that is denser than air begins to fill a room. Should the people in the room walk out or crwl out? The people should.

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Walk out. If it's denser than air, it'll settle to the bottom

There are three kinds of levers. What makes them different from each other?

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Every lever and every class has a fulcrum, load, and effort. It helps move a heavy load. 

Class one is when the fulcrum is the main acting force to help carry this weight. 

Class two is when the person needs to put more effort to carry a weight. 

Class three is when load itself helps carry a weight. 

It all depends where the load, effort, and fulcrum are located. If the fulcrum is in the middle, it would be the most supportive force. If the fulcrum was at an edge, the effort or load would be the main forces of carrying, depending on their location. Location is important. 

They all work synergistically to carry different things. They all help carry, but the different classes seperate them by fulcrum, effort, and load. Also note that the fulcrum is a very important part of a lever, without it, carrying a big box would be very heavy in the absence of a handler. 

FULCRUM is the most important part! Remember that! 
1. Seesaw . Fulcrum Middle That balances it
2. Wheelbarrow . Fulcrum is the wheel. Input = handles  Output = objects inside wheelbarrow
3. Baseball bat . Fulcrum is the hands. Input = Bottom section of the bat. Output = top section of the bat with more force.

What is your speed if you travel 7564 km in 23 hours? Convert this to miles per hour.

Answers

Answer:

[See Below]

Explanation:

Your average speed would be 204.35 mph.

i got appx. 204.3478 miles per hour because you convert 7564km/23hours to 4700miles/23hours, then divide 4700 and 23 by 23 to end up with 204.3478miles/1hour

If the core of a supernova explosion contains three or more solar masses of matter, the core will most likely become a _____.

Answers

The correct answer to the question you gave above would be a black hole. If the core of a supernova explosion contains three or more solar masses of matter, the core will most likely become a black hole.