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stepladder [879]
3 years ago
14

Print

Chemistry
1 answer:
Blizzard [7]3 years ago
3 0

Answer:

nitrogen 78% oxygen 21%   argon 0.9% carbon dioxide, nitrous oxide, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.

Explanation:

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Hunter-Best [27]

The experiment involving the determination of the number of ice cubes required to keep the temperature of the glass under 15 degrees Celcius, the following things have to be kept in mid:

  • The<u> temperature</u> of the surroundings
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  • The <u>number of ice cubes </u>added to the water in the glass

In order to keep into consideration the changing environmental temperatures (which is a variable in the experiment), the experiment had to be conducted daily to get <u><em>accurate results </em></u>keeping into consideration all the factors.

brainly.com/question/11256472

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2 years ago
Arthur is performing a lab which requires a 0.2 M solution of calcium hydroxide. However, the only calcium hydroxide solution av
aev [14]

Answer:

He needs to add 4 mL of the 0.5 M solution to 6 mL of water.

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3 years ago
Which explanation best compares the movement of particles in the three states of matter?
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Answer:solid: still boi liquid: bouncy boi has: crazy boi

Explanation:

3 0
3 years ago
The rules of engagement (roe) working group is often used to _____. (select all that apply.)
Gnesinka [82]

Answer:

proactively develop ROE as well as responding to requests for additional ROE measures

Explanation:

The rules of engagement (roe) working group is a group who's main job is to  proactively develop ROE as well as responding to requests for additional ROE measures. Rules of Engagement are a set or rules or directives for military soldiers that define the circumstances, conditions, degree, and manner in which the use of force can be used.

3 0
3 years ago
how does getting funding from the government affect scientific research?? a- the government helps the scientist decide what rese
sertanlavr [38]

Answer:

d- Scientists have to follow government rules made to protect people.

Explanation:

Scientific research fosters our understanding of the world around us. It helps people to learn to promote critical thought and problem-solving.  Although there may not be an immediate practical use of the research, in the long term the study could benefit humanity. Scientific research is the product of creative ideas and collaborative communication that the proper role of government is often restricted to funding the research. The role of the government is to perform its reasonable and valid duties of defending human rights and enhancing the independence of the human.

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3 years ago
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