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trasher [3.6K]
3 years ago
11

Which of the following statements is true?

Physics
2 answers:
zhuklara [117]3 years ago
7 0

A. You are exposed to nuclear radiation every day.

tangare [24]3 years ago
4 0

Answer:

A. You are exposed to nuclear radiation every day.

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You are given two converging lenses to build a compound microscope. Lens A has focal length 0.50 cm and lens B has focal length
siniylev [52]

Answer:

The lens to be used for the objective is lens A

Explanation:

The objective of a compound microscope

The focal length of the lens used for the objective = 1/(magnification obtained)

The focal length of most modern is equal to the tube length

The range of sizes for the focal length of a microscope is between 2 mm and 40 mm

Therefore, the appropriate lens to be used for the objective of the compound is lens A that has a focal length of 0.50 cm = 5 mm

6 0
3 years ago
In a nuclear power plant, the temperature of the water in the reactor is above 100°C because of what?
SVETLANKA909090 [29]

Answer:

The temperature of the water increases because the nuclear reactor heats it producing steam

Explanation:

The nuclear power plants are usually defined as those thermal plants where the nuclear reactors are used in order to generate heat that eventually leads to the rotating of the turbines and produces electricity. Here the nuclear reactor heats the water, and it increases above a temperature of 100°C, where this heat energy plays a key role in the entire process. It is an efficient method as it does not lead to the emission of any green house gases that are harmful to the environment.

8 0
3 years ago
Chemicals in the air can combine with rain to produce acid rain, which is harmful to the environment. Which of these is most lik
irinina [24]
Hi there!

Normal rain has a pH between 5.0 and 5.5, which is slightly acidic on the pH scale. Acid rain on the other hand has an average pH of 4.0, much more acidic than your average rain.

Therefore, the most likely pH of acid rain would be 4.0.
7 0
3 years ago
Which of the following is the name for matter made up of only one type of atom?
kolbaska11 [484]

Answer:  <u>Element </u>

Explanation:

A chemical element is a substance which contain only one type of atom and it may be in the form solid, liquid and gas. On more the smallest particle of element is the atom.

5 0
4 years ago
Read 2 more answers
What are the benefits and drawbacks of using renewable energy sources to generate electricity?
Luden [163]

Answer:

benefits

Diversifying energy supply and reducing dependence on imported fuels.

Creating economic development and jobs in manufacturing, installation, and more.

drawbacks

Large areas of landfill are required

Hydroelectric power is generated from flowing water, which turns turbines and generates electricity

Explanation:

8 0
3 years ago
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