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ipn [44]
3 years ago
6

Please helpI need I badly or I'm going to fail ​

Chemistry
2 answers:
Nimfa-mama [501]3 years ago
4 0

Answer:

Its B

Explanation:

nevsk [136]3 years ago
3 0

When testing with the human body i think

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How much of the moon's bright side can you see during a new moon?
Fittoniya [83]

During a new moon, the moon is out of the sun's rays, thus meaning you cannot see any of it during the new moon phase.

6 0
4 years ago
Oxidizing acids, such as nitric acid, can explode when mixed with what type of incompatible chemical? air water organic chemical
maxonik [38]

Oxidizing acids, such as nitric acid, can explode when mixed with what type of incompatible chemicals like alcohol, or charcoal.

An oxidizing acid is a Brønsted acid that is a strong oxidizing agent. most Brønsted acids can act as oxidizing agents because the acidic proton can be reduced to hydrogen gas. a few acids include other structures that act as stronger oxidizing agents than hydrogen ions.

Oxidizing acids include concentrated perchloric acid, nitric acid, iodic acid, chromic acid, and the glass cleansing mixture of chromium trioxide and sulfuric acid.

learn more about acids here brainly.com/question/25148363

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6 0
2 years ago
Select all that apply.
Fantom [35]

Answer:

1 kg=1000g so 2000 g=2kg and 1 liter of water is equal to 1 kg .as a result 2 kg=2l and if consider 1l as 1000 ml we get 2000 ml

the final answer is 2000 g of water equal to 2000 ml

3 0
3 years ago
Read 2 more answers
NEED HELP ON 17,18,19,20,21,22,23. ONLY IF YOU ARE POSITIVE ABOUT THE ANSWER!!!!
Alex777 [14]

Answer:

17. D. Chemical change

18. C. Cell wall

19. D. To transfer matter and energy within and between organisms.

20. A. Transporting materials

21. C. Carbon dioxide

22. A. Cellular respiration

23. C. Produce food and give off oxygen

Explanation:

I have been able to supply the correct answers. The cell wall functions as a structure that provides structural support and protection to the cell. It is tough, flexible and at times rigid. In a chemical change, new materials with new properties are manufactured. So, the process of photosynthesis is a chemical change.

The endoplasmic reticulum actually transports material. It transports materials like protein and lipids made within the cell and sends it to where they are needed.

Carbon dioxide  is the the gas that animals give off and plants use it during photosynthesis. Cellular respiration involves the activities that result to the breaking down of food in order to release energy.

8 0
3 years ago
Describe the composition of the nucleus of an atom. A) It is composed of protons. B) It is composed of protons and neutrons. C)
Kryger [21]
He atom<span> consists of a tiny </span>nucleus<span> surrounded by moving electrons. </span>
3 0
3 years ago
Read 2 more answers
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