Asked by robertツ💎

A ringing alarm clock is put under a glass jar. The air is slowly removed from the space around it. What will happen as the air is removed? (1 point)
Responses

The clock will slowly become less visible, until you can only hear it.
The clock will slowly become less visible, until you can only hear it.

The clock will slowly become quieter and will ultimately fade from view.
The clock will slowly become quieter and will ultimately fade from view.

The appearance of the clock and the sound of the clock will not change.
The appearance of the clock and the sound of the clock will not change.

The appearance of the clock will not change, but its sound will become fainter.
Answered by robertツ💎
How are mechanical waves defined?(1 point)
Responses

They are waves that are able to pass through a vacuum.
They are waves that are able to pass through a vacuum.

They are waves that involve matter, rather than energy, moving from one place to another.
They are waves that involve matter, rather than energy, moving from one place to another.

They are waves that require some form of matter as a medium.
They are waves that require some form of matter as a medium.

They are waves that are generated by humans, rather than naturally.
Answered by robertツ💎
Where do sound waves travel faster?(1 point)
Responses

through less dense materials, because the molecules in a loosely packed medium collide less frequently
through less dense materials, because the molecules in a loosely packed medium collide less frequently

through denser materials, because the molecules in a tightly packed medium collide less frequently
through denser materials, because the molecules in a tightly packed medium collide less frequently

through denser materials, because the molecules in a tightly packed medium collide more frequently
through denser materials, because the molecules in a tightly packed medium collide more frequently

through less dense materials, because the molecules in a loosely packed medium collide more frequently
Answered by robertツ💎
The retina of the eye has rods and cones which play a crucial function in sight. Which statement explains how rods and cones work to help us see things?(1 point)
Responses

Rods detect light; cones detect green, blue, and red light; and the brain combines the three colors.
Rods detect light; cones detect green, blue, and red light; and the brain combines the three colors.

Cones detect light; rods detect color; and the brain decomposes the color into green, blue, and red.
Cones detect light; rods detect color; and the brain decomposes the color into green, blue, and red.

Rods detect light; cones detect color; and the brain decomposes the color into green, blue, and red.
Rods detect light; cones detect color; and the brain decomposes the color into green, blue, and red.

Cones detect light; rods detect green, blue, and red light; and the brain combines the three colors.
Answered by robertツ💎
The American flag flies on a black flagpole. Light from the sun hits the flag and the flagpole. How is it that you can see the blue, red, and white colors of the flag and the black of the flagpole?(1 point)
Responses

Red stripes absorb red and reflect all other light, as does the blue square with blue; white stripes and stars absorb all wavelengths; and the flagpole reflects all wavelengths.
Red stripes absorb red and reflect all other light, as does the blue square with blue; white stripes and stars absorb all wavelengths; and the flagpole reflects all wavelengths.

Red stripes reflect red and absorb all other light, as does the blue square with blue; white stripes and stars absorb all wavelengths; and the flagpole reflects all wavelengths.
Red stripes reflect red and absorb all other light, as does the blue square with blue; white stripes and stars absorb all wavelengths; and the flagpole reflects all wavelengths.

Red stripes absorb red and reflect all other light, as does the blue square with blue; white stripes and stars reflect all wavelengths; and the flagpole absorbs all wavelengths.
Red stripes absorb red and reflect all other light, as does the blue square with blue; white stripes and stars reflect all wavelengths; and the flagpole absorbs all wavelengths.

Red stripes reflect red and absorb all other light, as does the blue square with blue; white stripes and stars reflect all wavelengths; and the flagpole absorbs all wavelengths.
Answered by GPT 3.5
The appearance of the clock will not change, but its sound will become fainter.
Answered by GPT 3.5
They are waves that require some form of matter as a medium.
Answered by GPT 3.5
through less dense materials, because the molecules in a loosely packed medium collide less frequently
Answered by GPT 3.5
Cones detect light; rods detect color; and the brain decomposes the color into green, blue, and red.
Answered by GPT 3.5
Red stripes reflect red and absorb all other light, as does the blue square with blue; white stripes and stars reflect all wavelengths; and the flagpole absorbs all wavelengths.