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Katena32 [7]
3 years ago
5

Obi is trying to determine if a powdery, solid substance is an element or a compound. After recording some observations, he stro

ngly heats a sample of the solid over a burner flame. After fifteen minutes, he turns off the flame and allows the sample to cool. He records his final observations in the data table.
Medicine
2 answers:
aniked [119]3 years ago
8 0

Answer:

b

Explanation:

Snezhnost [94]3 years ago
7 0

Answer:

The answer is B

Explanation: I got it tight on edgunity 2020, I hope this helps :)

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For a ***Lab Experiment*** every time i look it up I get results for the scientific method
melisa1 [442]

The steps to a lab experiment in the correct order are as follows:

  • A statement of the experimental question or purpose.
  • A hypothesis of the most likely results.
  • Detailed sequential procedural steps for performing the experiment, and a list of needed materials.
  • Data was collected from the experiment and organized for analysis with charts, graphs, and diagrams.
  • A conclusion of the analysis and an explanation of the trends.

<h3>What is a Lab experiment?</h3>

A lab experiment may be characterized as an investigation strategy by which researchers assemble controllable environments to test some hypotheses to reveal some conclusions.

Therefore, the correct order of a lab experiment is arranged above with sequential steps.

To learn more about Lab experiments, refer to the link:

brainly.com/question/8430576

#SPJ1

7 0
2 years ago
Dhruv, a 65-year-old retiree, is brought to the hospital after developing chest pain while gardening. He is quickly diagnosed wi
Nikitich [7]

Answer:

copd

Explanation:

3 0
2 years ago
Which system works with the skeletal system to give nutrients to the bone?<br>​
sveticcg [70]

the digestive and circulatory are the two systems that get nutrients to the bone cells

8 0
3 years ago
The following compound is a(n) ____. a. industrial solvent b. amino acid c. vitamin d. monomer for polystyrene
Debora [2.8K]

Answer:

Option B== > Amino acid

Explanation:

KINDLY NOTE that the compound in the question is attached below as a picture.

From the diagram in the picture, the compound contains an aryl group, Amine functional group and a carboxylic functional group. An Amino acid compound is a compound that has carboxyl group and the amine group which makes the answer to the question to be option 'b' that is Amino acid.

Polystyrene has formula like this:(C8H8)n, there is no amine functional group attached and there is no carboxyl functional group either which makes polystyrene not to be the answer. This the same case with vitamin D which has which has hydroxyl functional group and not carboxylic nor does it has amine functional group. Although it has been revealed through series of researches that Amino acid are good solvent for Carbondioxide, the most correct option for this question will be on identifying the correct compounds with reference to their functional groups.

3 0
3 years ago
Which of the following are the main sites for filtering lymph?
fgiga [73]

Answer:

the lymph nodes

Explanation:

cause that's where all the lymph gathers

6 0
4 years ago
Read 2 more answers
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