Explain the expression “light travels at a speed”.

Answers

Answer 1
Some things travel faster than the speed of light

Related Questions

5 To fight a bacterial infection, a patient was given an antibiotic to take for 10 days. After the

patient finished taking the antibiotics as directed, almost all the bacteria were killed. After

another 10 days, the patient was sick again with the same type of infection.

What most likely happened?

A A few bacteria survived the antibiotics and stopped reproducing.


B The patient’s high fever inactivated the antibiotic, allowing the surviving bacteria to grow rapidly.


C The antibiotic slowed the life cycle of the bacteria.


D Some of the bacteria were resistant to the antibiotic, and they reproduced.

Answers

D the answer is D hope you do well!!!

What happens when a glass rod and silk cloth are rubbed with each other?

Answers

Answer:

When glass rod is rubbed with silk, glass h lose electrons easily and silk grabs them away from the glass atoms. So after rubbing, the glass becomes positively charged and the silk becomes negatively charged

Explanation:

Answer:

After rubbing them together, the glass becomes positively charged and the silk becomes negatively charged.

Convection currents form when warm air rises and cold air sinks. What causes the warm air to rise and the cold air to sink?

difference in weather
difference in climate
difference in density
none of the above

Answers

Density! I’m good at these!
It’s density or climate

Which location shows SUMMER in the SOUTHERN hemisphere? *
Location 1
Location 2
Location 3
Location 4

Answers

Answer:

4

Explanation:

the southern hemisphere is tilted closest to the sun in that position

After watching the Flocabulary video, what do you now know about Charles Darwin and his theory of natural selection? (complete sentences for full credit)
ASAP PLEASE

Answers

Natural Selection is that the species that are best suited or adapted to their environment or most likely to survive and reproduce
And after a few generations evolution occurs
This is the answer hope it help you

I will give Brainliest to whoever has it right! Its pretty easy. Ill still give thanks to the people who didn't get it!
Humans are organisms that live on the surface of the Earth.

In recent years, many products that people use have released chemicals into the air. This has slightly changed the composition of the air that surrounds the planet.

Which statement describes this interaction?
A. The geosphere interacted with the hydrosphere.
B. The biosphere interacted with the atmosphere.
C. The hydrosphere interacted with the biosphere.
D. The atmosphere interacted with the geosphere.
Please answer fast! (^V^)

Answers

Answer:

the answer is c

Explanation:

The Biosphere interacted with the atmosphere. The biosphere represents the zone where all living organisms inhabit. Human beings are leaving organisms and they have released chemicals that change the composition of the atmosphere.  

The hydrosphere represents the regions of the earth occupied by water and the geosphere is the solid layer that is the earth's crust.

PLEASE HELP
4. According to the scientific theory of atoms, which of the following statements best
describes the location of
electrons?

A. in the nucleus of the atom

B. both in the nucleus and around it

C. outside the nucleus and often far from it, in the electron cloud

D. outside the nucleus, yet very near it because they are attracted to the protons

Answers

Answer:

D. Outside the nucleus, yet very near it because they are attracted to the proton

Explanation:

The answer is D hope this helped in some way and hope you pass your assignment!

You set up an experiment by placing a laser pointer where its light hits the opposite wall in a marked spot. Your friend then sets up an obstacle in the light beam's path and asks you to use mirrors to redirect the beam around the obstacle so it hits the wall in the same place. What is the minimum number of mirrors you could use to do this, assuming the laser pointer must remain still?

three

two

one

four

Answers

Answer:

two

.....................

The minimum number of mirrors is 2

PLEASE HELP!! CORRECT ANSWER GETS A BRAINLIEST

Answers

A -- doesn't deal with the question of what to do about it once it's there.

B and C -- don't prevent it from happening, OR deal with it when it does.

D -- faces the fact that it can't be prevented, and comes to grips with the question of how to minimize the damage when it does happen.

The honest, effective choice is ' D ' .

i’m pretty sure the answers D

The diagram shows the Earth rotating on its axis. The two star symbols show different locations on the surface... What would the sky look like to a person standing at point Y? *

Sunrise
Middle of the day (noon)
Sunset
Middle of the night (midnight)

Answers

Answer:

middle of the day (noon)

This is science :)
"Amber studied a graph of a mechanical wave. If she wanted to find out the wavelength, from which points should she measure"

Answers

1 to 5 would be your answer
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