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sergeinik [125]
3 years ago
6

Can you help me. It is for science

Biology
1 answer:
Vitek1552 [10]3 years ago
7 0

Answer: Yes, the students can conclude that a chemical reaction occurred because a new material of a different color formed on the bottom part of the metal strip.

Hope this helps!

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How can you indentify the difference between a chemical and physical change and what are signs that a chemical change has occurr
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Answer:

Explanation:

The formation of a gas is a clue to chemical changes. The bubbles of gas that you observed form when an antacid is dropped into water is an example of change. ... After ice melts into liquid water, you can refreeze it into solid ice if the temperature drops. Freezing and melting are physical changes.

4 0
2 years ago
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List conditions of the circulatory system that decrease blood flow and increase blood pressure and resistance.​
skad [1K]

Blood clots will do this.  Cutting off blood flow while also increasing blood pressure.  Also, if the viscosity (thickness of the blood) is thick which will slow down the flow and cause the body to use more effort to pump blood.

7 0
3 years ago
The force for glomerular filtration is the select one:
salantis [7]

Answer;

Blood pressure in the glomerular capillaries.

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3 years ago
Which region of the human brain best distinguishes us from other animals?
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5 0
3 years ago
1. C3N2H4<br><br> 2. AIBr3<br><br> 3. C6H5F<br><br> 4. CrO3<br><br> 5. H2O2<br><br> 6.C12H22O11
MakcuM [25]
A. Organic compounds - C₃N₂H₄ , C₆H₅F and C₁₂H₂₂O₁₁

Organic compounds are compounds which have Carbon except few compounds such as carbon dioxide, cyanide. Other than Carbon, other elements also present such as Hydrogen, Oxygen and Nitrogen. But Carbon is considered as the main element of organic compounds. 

B. Inorganic substances - AIBr₃ , CrO₃ and <span>H</span>₂<span>O</span>₂

Inorganic substances are the compounds which do not own C-H bonds. Most inorganic compounds do not have carbon as their element except few. (Cyanides, carbon dioxide, carbon monoxide and so on are considered as inorganic although they have carbon).
6 0
3 years ago
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