1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
scZoUnD [109]
3 years ago
10

4. Hot material in the Earth's mantle rises and cool material

Chemistry
1 answer:
bagirrra123 [75]3 years ago
4 0

Answer:

Th answer is b. convection.

Explanation:

As the heat rises it cools down and it sinks and as the cold sinks it heats up so then it rises back up.

You might be interested in
Can pure substances made from compounds be physically separated?
Arisa [49]

Answer:

it cannot !!

Explanation:

a chemical reaction MUST occur to separate a compound! :)

4 0
3 years ago
Identify the number and kinds of atoms present in a molecule of each compound. caffeine c8h10n4o2 iron iii sulfate fe2(so4)3
finlep [7]
This problem is very easy to answer. You simply have to look at the subscripts of each element of the compound.

1. For caffeine, which has a molecular formula of C₈H₁₀N₄O₂, it contains 8 atoms of Carbon, 10 atoms of Hydrogen, 4 atoms of Nitrogen and 2 atoms of Oxygen.

2. For Iron(III) Sulfate, which has a molecular formula of Fe₂(SO₄)₃, it contains 2 atoms of Iron, 3 atoms of Sulfur, and 12 atoms of Oxygen.
6 0
3 years ago
@ What is the wavelength of a radio wave having a frequency of 3.75 X 107 Hz?
aniked [119]

Answer:

8 m

Explanation:

3.0 x 10*8 divided by 3.75 x 10*7 = 8 m

6 0
2 years ago
Determine the number of centiliters in 2.4 x 10^3 milliliters.
AnnZ [28]
2.4(10^3)

=2.4*10^3

=2.4*(10*10*10)

=2400 <span>milliliters

To </span>centiliters is<span> 2400mL= <u>240.0000cl. </u> </span>



8 0
3 years ago
Please help me vote you brainiest
bekas [8.4K]

Explanation:

An object in motion <u>stays</u> <u>at</u> motion An object <u>at</u> <u>rest</u> stays at rest unless acted by an <u>external</u> force.

[ Newton's 1st law of motion ]

6 0
3 years ago
Other questions:
  • This is the energy that all moving objects have. 1.
    15·1 answer
  • How do hydrogen ions (h+) and chloride ions (cl–) get into the lumen of the stomach?
    15·1 answer
  • What happens to the surface of the moon during a total lunar eclipse, when all of Earth's sunrises and sunsets are projected ont
    5·1 answer
  • Calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxid
    11·1 answer
  • Convert the following reaction into its formula equation and complete the product.
    5·1 answer
  • The combustion of 0.0222g of isooctane vapor, C8H18(g), at constant pressure raises the temperature of a calorimeter 0.400 degre
    5·1 answer
  • How you could speed up the rate of dissolving when dying Easter eggs? The dye tabs are taking a long time to dissolve and evenly
    13·1 answer
  • A closed gas system initially has pressure and volume of 0.922 atm and 4.64L with the temperature unknown. If the same closed sy
    15·1 answer
  • The diagram below represent the rock cycle
    11·1 answer
  • ____________is not an effect of heat
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!