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Sergeu [11.5K]
2 years ago
6

Contour lines can tell you about the----------- of an area or feature

Chemistry
1 answer:
GenaCL600 [577]2 years ago
3 0
I think it is altitude
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PLEASE HELP, WILL MARK BRAINLIEST!!!!! TIME IS RUNNING OUT!!!!
faltersainse [42]

This is a redox reaction where oxidation and a reduction occur.

<span>Here, Mg goes to Mg²</span>⁺ <span>by changing its oxidation number from 0 to +2 while S goes to S²</span>⁻ <span>by reducing its oxidation state from 0 to -2 . Hence Mg is oxidized by S in the reaction.</span>

 

Reducing agent <span>is a substance which reduces other substance by oxidizing itself. Hence, the reducing agent of this reaction is <span>Magnesium.</span></span>

6 0
3 years ago
Where does biomass comes from
tino4ka555 [31]
Biomass is an organic material which has stored sunlight in the from of chemical energy<span>  biomass can fuel wood waste, manure, sugarcane, and other byproducts. biomass is a renewable energy source because the energy it comes from is the sun 

i hope this helps </span>
7 0
3 years ago
In which two types of reactions do opposite chemical changes occur
RideAnS [48]

Hello!

Before I can answer your question we need to know the different types of chemical reactions that can occur:

  • Single Replacement
  • Double Replacement
  • Synthesis
  • Decomposition
  • Combustion

Combustion is an answer that can usually be ruled out unless oxidation is occuring in the chemical equation (hyrdrogen occuring with oxygen to react)

Synthesis reaction, also known as a Combination reaction, is when the reactants combine to form a single product.

Decompostion is when a single reactant is deconstructed to form multiple products, or the opposite of Synthesis.


With these definitions alone, since they are opposite types of reactions, the answer would be Synthesis and Decomposition reactions !

Hope this helps and if you need anymore clarification feel free to ask.


4 0
3 years ago
Soda is a mixture. The ingredients list for a can of soda is given below.
Rasek [7]

Answer: Compounds

Explanation:

6 0
3 years ago
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You were asked to determine the identity of an unknown liquid and can measure only one physical property. you heat the liquid an
Butoxors [25]
I did this before and i had got an A no it but its been along time tho
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3 years ago
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