Explain why ventilation is very important if there is a risk of exposure to radon gas in your home or school

Answers

Answer 1

Answer:

Ventilation is very important if there is a risk of exposure to radon gas in your home or school because ventilation will help you not to inhale all of the radon particles in your body. Radon gas is dangerous because it does not smell and you cannot see it with your own eyes. Also, it is very toxic and radioactive.

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Which of the following is the SI unit for volume?a. meter
c. density
b. liter
d. grams

Answers

Which of the following is the SI unit for volume?

a. meter

c. density

b. liter

d. grams

The Answer Is B. Liter

Answer:

Explanation:

Masses in motion question 1 options: kinetics geophysics thermodynamics neurophysics

Answers

kinetics is the answer

What do you mean by average velocity

Answers

Answer:

Here is the answer. Hope this helps you!

Explanation:

Average velocity is the sum of initial and final velocity divided by 2. I t is the same as total Displacement divided by total time. Average velocity is calculated when the body is in non-uniform motion (also when total displacement and time is not given). The formula is as follows:

u + v/2 = $v_(av)$

Average velocity = Average speed

during motion in a straight line. therefore, the above mentioned formula can be used for calculating average speed as well, when the direction is one and only the same, that is, during motion in a straight line. The S.I unit remains the same-

m/s.

Since velocity is vector, average VELOCITY is also vector. However, Average SPEED is scalar as speed is scalar. both can be equal only when the distance = displacement and when they are following the same direction of motion.

Which of these takes about 365 days to complete? Earth rotating once on its axis Earth rotating once on its axis Earth revolving once around the Sun Earth revolving once around the Sun the moon revolving once around Earth the moon revolving once around Earth the sun revolving once around Eart

Answers

Answer:

Earth revolving once around the Sun

Explanation:

The Earth is one of the planets that make up the Solar system. The earth undergoes two phenomena called "ROTATION" and "REVOLUTION". Rotation refers to the moving around of an object along its own axis while revolution refers to the moving of an object around another object.

The Earth rotates (along its axis) to produce the day and night (24 hours). However, the revolution of the Earth around the largest planetary body, which is the SUN, takes approximately 365 days to complete. Hence, the Earth's revolution around the sun produces the year (365 days).

A cheetah runs with a positive acceleration. What does this tell you about the velocity time graph for the cheetah?A. Graph negative slope
B. graph positive slope
C. Graph positive area
D. Graph negative area

Answers

B is the correct answer

Answer:

B. graph positive slope

Explanation:

got it right

How many miles can you get on one tank of gas if your tank holds 18 gallons and you get 22 miles per gallon?

Answers

Multiply the two. The units will cancel out. 22 miles per gallon can be expressed as 22 miles / 1 gallon, so you can write the following:
18 gallons * 22 miles / 1 gallon
Which simplifies to 18 * 22 miles = 396 miles.

Answer: 18*22=396

Explanation:

18*22=

(10*22) + (8*22)=

220+176=396

Other Questions

Astronaut John Glenn was the first American to _____.launch into spacewalk on the moonorbit the earthdo a spacewalk

a moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground if each brick is 4 kilograms what amount of work will be needed to accomplish the task

A scientist studies how sunlight affects a person's skin. Which of the following is a testable question about this topic?A, Does being in the sun make your skin dry?B. Do people look better when they have a suntan?C. What is the most enjoyable time to be in the sun?D. Should children be allowed to lie in the sun?

An unknown substance has a mass of 0.125 kg and an initial temperature of 90.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 29.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance.