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Stels [109]
2 years ago
11

The body of knowledge that deals with Earth and its place in the universe is called _____________?

Chemistry
1 answer:
lakkis [162]2 years ago
7 0

Answer:

Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future. According to NASA, the definition of cosmology is "the scientific study of the large scale properties of the universe as a whole."

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Steven had a sample of ethanol and wanted to see if it would boil at the temperature found in his textbook. His experiment yield
Natasha_Volkova [10]

Answer:

17.04%

Explanation:

Actual Value = 173.1

Measured Value = 143.6

Percent error is obtained using the equation;

Percent error = (Measured - Actual) / Actual ]* 100

Percent error = [ (143.6 - 173.1) / 173.1 ] * 100

The absolute value of (Measured - Actual) is taken,

Percent Error = [29.5 / 173.1 ] * 100

Percent Error = 0.1704 * 100 = 17.04%

4 0
3 years ago
Most marble is composed primarily of
KatRina [158]

Answer:

It is composed primarily of the mineral calcite (CaCO3) and usually contains other minerals, such as clay minerals, micas, quartz, pyrite, iron oxides, and graphite.

Explanation:

Marble can be otherwise called metamorphic rock which is formed as a result of heat application on limestone and pressure of metamorphism. It is composed primarily of the mineral calcite (CaCO3) and usually contains other minerals, such as clay minerals, micas, quartz, pyrite, iron oxides, and graphite.

8 0
3 years ago
Read 2 more answers
Classify the following change as physical or chemical: A match lights when struck.
mr_godi [17]
I think the answer is:
B. Chemical Change.
8 0
3 years ago
What has to happen to join two monosaccharide units into a disaccharide?
omeli [17]
A condensation reaction forming a glycosidic bond. so in other words a monosaccharide joining together to form a disaccharide. 

5 0
3 years ago
What's the boiling point of water at 0 atmospheric pressure?
nirvana33 [79]

Answer:

The water will evaporate and fly out of the bucket; the process will not stop until there is enough water vapor in the atmosphere that the vapor pressure stops the water from boiling further.

Explanation:

4 0
2 years ago
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