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Ne4ueva [31]
3 years ago
10

EMERGENCY: I WILL FAIL PLS HELP WILL MARK BRAINLIEST !!!!!!

Chemistry
1 answer:
Ludmilka [50]3 years ago
4 0

Answer:

Evaporation - vaporization that occurs at the surface of a liquid

Freezing -  the process by which a liquid becomes a solid

Boiling - vaporization that occurs below the surface of a liquid

Melting - the process by which a solid becomes a liquid

Sublimation - the process by which a solid becomes a gas

Hope this helps!

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ASAP please 50 points!!!
SSSSS [86.1K]

Which of the following is a change in physical composition?it could be D. A brick being ground up into fine dust. as this is a change from one physical form to another                                                                                                                             Which of the following is a change in chemical composition?  would be A. A white precipitate forming as a result of the combination of two liquids. as this is a clear chemical change                                                                                What kind of bond would you expect between H, S and O?  i belive it would be D. Covalent                                                                                      

Which of the following is not one of the three processes of the hydrologic cycle?  this gose to B. Collection the water cycle has nothing to do with this so there for its not part of the cycle

5 0
3 years ago
Someone plz help me !!<br><br> Science <br> Or<br> Bias?
Artist 52 [7]
1st one is Science and the 2nd one is Bias
8 0
3 years ago
In a chemical equation, the arrow
muminat

In a chemical equation, the arrow  


A. can be read as "yields" or "makes."  

B. always points toward the products.  

C. separates the products and reactants.  

D. all of these


all of these options are right.

7 0
3 years ago
Read 2 more answers
If it take 20 second for 200cm3 of H25 to diffuse through a porovs pot,hours,long will it take 400cm3 of NH3 of diffuse under th
trapecia [35]

Answer:

40 seconds chief just double it

Explanation:

5 0
2 years ago
Scientists observe that iron compounds are able to bind to nutrients in waterways experiencing eutrophication. Which change will
Anettt [7]

(1) Fewer microorganisms will grow on the surface of the lake if iron compounds are added to a lake with an overabundance of nutrients. Hence, option 1 is correct.

(2) Fracking means using water and chemicals at high pressure to open up fissures to access oil and gas resources. Hence, option 2 is correct.

<h3>What are microorganisms?</h3>

An organism that can be seen only through a microscope.

Iron is a natural capping agent which can enhance sediment P binding capacity, thus reducing P availability and shifting a lake from an algal to a macrophyte dominated state. Iron could, however, also impose toxic effects on the biota.

Fracking is the injection of a fluid at high pressure into an underground rock formation to open fissures and allow trapped gas or crude oil to flow through a pipe to a wellhead at the surface.

This technique is used in natural gas and petroleum production.

1) Fewer microorganisms will grow on the surface of the lake if iron compounds are added to a lake with an overabundance of nutrients. Hence, option 1 is correct.

(2) Fracking means using water and chemicals at high pressure to open up fissures to access oil and gas resources. Hence, option 2 is correct

Learn more about the microorganisms here:

brainly.com/question/6699104

#SPJ1

6 0
1 year ago
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