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aleksandrvk [35]
2 years ago
12

A researcher intervenes in the diet of one community and not in another and over time looks at the difference in the rates of he

art disease between the two communities. This is an example of a(n) ________ study.
Social Studies
1 answer:
bonufazy [111]2 years ago
8 0

The statement "A researcher intervenes in the diet of one community and not in another and over..." is an example of experiment. This is further explained below.

<h3>What is an experiment?</h3>

Generally, experiment is simply defined as discovery, hypothesis testing, or demonstrating an already-known truth by a scientific technique.

In conclusion, an example of an experiment is "intervened in the nutrition of one group and not another and over..."

Read more about experiment

brainly.com/question/11256472

#SPJ1

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Why do you think it is difficult to define the term"human rights"?​
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In recent years, traditional positions on federalism have changed somewhat, with liberals arguing for __________ and conservativ
romanna [79]

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3 years ago
PLEASE HELP! I WILL MARK BRAINLIEST AND I REALLY NEED HELP PLEASE!
beks73 [17]

  1. The necessary means to make fossil fuel consumable energy is heat burns the source to make it energy

  • 1  Water, at the top of a waterfall controlled by a dam, has potential energy.
  • 2  As water moves down the waterfall, the water’s potential energy from its earlier position transforms into motion/kinetic energy.
  • 3   The falling water lands on a turbine which spins a generator.
  • 4   As the turbine (generator) turns, it moves copper wire along a magnet which creates a flow of electrons (electricity), which is then transferred to a wire.
  • 5  The electricity travels through wires from the generator in the hydro-station to your house, and the wires continue behind the walls in your home to your electrical outlets.

     Hydro:  Because it would take to much to set up a bunch of turbines even though its renewable, people don't have lakes or river in the city therefore its inefficient there .

     Wind: Its not always windy so when wouldn't always be able to power your electricity.

      Solar power:  Would be very expensive to set up solar powered consumers every where and you  would not have electricity at night when the sun goes down so therefore it would be inefficient.

  •  Question 11) Coal and things like wen use today which is probably a limited source but a reliable one.

  •    Part 2:  Its so dependable because it is able to keep our lights and things on now and there's plenty of it at the time .

12: Yes because if we drained all from ne source it would be out pretty soon.

   13: I'm not sure sorry but here's what I think

Chemical (potential)

Thermal

Motion

Electricity

  14:

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                   I HOPE THIS HELPS IT TOOK A WHILE :D

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