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3 years ago

What must you do if hauling a load of material which could fall or blow onto the roadway?

1 answer:

7 0

Most likely, what you must do is secure the load that you want to carry. This is extremely important if you want to haul a load of garbage in the back of your car. Securing your load properly will ensure that none of it ends up on the road, polluting the environment. This will also ensure that the garbage does not fall off the truck and hit other cars or drivers.

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2 years ago

You must signal [blank] before any turn or lane change.

Soloha48 [4]

A. 5 seconds :) Good luck!

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3 years ago

Whats the pros about being in the army

Cerrena [4.2K]

Answer:

Benefits that last a lifetime. The Army offers you money for education, comprehensive health care, generous vacation time, family services and support groups, special pay and cash allowances to cover the cost of living.

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3 years ago

Which statement best explains how Sarah Zielinski introduces and develops her points in the article about Henrietta Lacks?

Daniel [21]

Question:

Which statement best explains how Sarah Zielinski introduces and develops her points in the article about Henrietta Lacks?

Zielinski explains how her interest in the Henrietta Lacks story began then provides details about the first immortal human tissue sample and tells why it has been both important and controversial.
Zielinski explains the need for using human tissue samples then introduces Rebecca Skloot who gives an account of her experiences of researching the origin of the HeLa cells.
Zielinski explains how the first immortal human cells were found then provides Rebecca Skloot’s answers to questions about the importance of using human tissue samples, the Lacks family’s responses to learning of its link to the HeLa cells, and the issues arising from their discovery and use.
Zielinski explains the importance of the first human tissue samples to life and their widespread use, the reason for the confusion about those samples as well as the ethical issues faced by the Lacks family after learning they had not shared in profits from the sale of the HeLa samples.

Answer:

The correct answer is number 3

Explanation

The article devotes the first three sentences to describing how the Immortal cells came to be. In sentence 4, she makes reference to a book by Rebecca Skloot titled The Immortal Life of Henrietta Lacks. The book explains the history of Henrietta's cells and its impact on Henrietta's family as the medical world.

Cheers

4 0

3 years ago

Que a state properties of Sounds ] 1 laws of replactions of light 2 2

Vanyuwa [196]

Answer:

A sound is an energy source, much like electricity, heat or light. That makes a loud ringing noise when you hit a bell. Now put your finger on the bell after you’ve hit it, rather than just listening to the bell. You can feel it shaking and this motion or moving, i.e., the body’s to and fro motion is termed as vibration.

Sound is a vibration that passes through the medium in the form of longitudinal waves. It implies that sound waves are waves wherein the particles of the medium vibrate parallel to the direction of wave propagation. Sound forms are known as mechanical waves because they require a propagating medium. The medium may be

Solids

Liquids

Gases

Properties of sound

Frequency or pitch

Frequency is the number of cycles of periodic compression and rarefaction which occur every second as the wave propagates via the medium.

The human ear’s interpretation of the sound level within the range of human hearing is called the pitch.

The higher the sound frequency, the higher the pitch is and a lower frequency means a lower pitch.

Speed

The speed at which the sound waves travel via the medium is called sound speed. The speed of sound for different mediums is different. Sound moves in solids faster, as the atoms in a solid are packed tightly.

Amplitude or Loudness

The loudness determines the amplitude of the sound waves.

The sound amplitude is a measure of the magnitude of the overall sound disturbance.

The amplitude is a measure of the vibrational energy.

More energetic vibration is responsible for a greater amplitude.

Timbre

Timbre is the property used to distinguish between sounds of the same frequency.

Timbre based on what substance the sound is created from.

Reflection of sound

As sound waves encounter a solid or light surface, it bounces back into the same medium. It is termed as sound reflection. Sound waves obey the laws of reflection, like light waves.

Explanation:

<h2>●♡ jess bregoli ♡●</h2>

#keep learning!!

5 0

3 years ago