Chemistry Middle School

In order for radiation to transfer heat,
a electromagnetic waves must be transmitted

b objects must be in direct physical contact

c particles must circulate and move in a liquid or gas

d thermal energy must move from cold to hot objects

Answers

Answer 1
The correct answer is A
Answer 2

Answer:

electromagnetic waves must be transmitted

Explanation:

i just did the quize hope this helps

Related Questions

4. How many moles of molecules are there in 500g of sodium chloride?
a) 5.6 mol b) 8.5 mol c) 0.67 mol d) 3 mol
HEY GUYS???? HELP??? PLEASE

Answers

Answer:

b) 8.5 mol

Explanation:

500 g NaCl * 1 mol/ 58.44 g NaCl = 8.5 mol

the answer is B!!!!!!!!!

H2O is an example of what formula?

Answers

H20 is a example of oxygen and water.

Angelina wants to observe what will happen when two rocks with different masses are pushed down a slide. Angelina puts the two rocks at the top of the slide and pushes each rock with an equal force. Below the slide, Angelina's friend Mary stands to catch the sliding rocks. Based on Newton's law of force and acceleration, what happens to the rocks as they are traveling down the slide?
A) The acceleration of each rock is equal to zero.
B) The rock with the smaller mass has less acceleration than the larger rock.
C) The two rocks have the same acceleration.
D) The rock with the larger mass has less acceleration than the smaller rock.

Answers

Answer:

I believe it is D

Explanation:

I think it's D because if something has more mass, it carries more weight, weight slows stuff down. I might be wrong and I am sorry if I am.

I think it is d to!!!!!!

In H2O, the 2 is called a

Answers

2 hydrogen atoms hope this helps

3. What Sl unit would you use to identify the volume of blood in the human body?
A.milligrams B.Liters C.Millimeters D.Pounds​

Answers

Answer: the answer is B. liters

Which model would represent Newton's law of action-reaction? *
A) Toy car rolling down a ramp.
B) Toy rocket being launched.
C) Toy boat floating in the water.
D) Toy tractor being pushed over a hill.

Answers

D
I’m not 100% sure but you have to use force/motion to put it into action and it’s reacting to being pushed by moving
B or A I’m not sure but I know it’s one of those. Newton discovered gravity and those are the only two that are related to gravity.

The weather is warm and dry.
Which change would a cold front bring?
several days of gray skies
rain or thunderstorms
dry air and sunny skies
extended period of rain or snow

Answers

Answer:

Thunderstorms and grey clouds

Explanation:

No matter what the weather is before, any type of fronts will always bring the same weather

Please vote for Brainliest and I hope this helps!

Answer: Rain and thunderstorms

Explanation: Cumulonimbus Clouds are produced in cold fronts. (cumulonimbus clouds are clouds that make big storms)

What makes Earth unique among the terrestrial planets?
Its orbit around the Sun is roughly circular.
It has a core that's made of iron at its center.
It is home to a variety of life-forms.
It is much hotter than all of the other terrestrial planets.

Answers

It is home to a variety of life-forms.

Coefficient -
4) NaC2H302
Subscript for Na-
Subscript for C-
Subscript for H
Subscript for 0

Answers

Answer:

sub for NA-

Explanation:

plss give brainliest

Answer:

Explanation:

Na-1

C-2

H-3

O-2

Convection currents are liquid fluids that are traveling when there is a change in temperature or density inside the material.

Answers

Answer:

90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you

Explanation:

Because particles within a solid are fixed in place, convection currents are seen only in gases and liquids. Convection is a heat transfer process.

Compare and contrast the applications and benefits of circle graphs and bar charts

Answers

Answer: sorry here for points

What are some examples of how we use Earth’s natural resources?

Answers

Water to take a shower, dirt to plant veggies
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