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jolli1 [7]
2 years ago
14

Air pollution is responsible for SEVEN ____ deaths each year in the us?

Biology
1 answer:
AlekseyPX2 years ago
5 0

Answer: Air pollution is responsible for seven million deaths each year in the US

Explanation:  https://www.who.int/health-topics/air-pollution#:~:text=The%20combined%20effects%20of%20ambient,cancer%20and%20acute%20respiratory%20infections.

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In the exercise to determine the concentration of a solution of CuSO4, for the
Soloha48 [4]

Answer:

This question is incomplete

Explanation:

Experimentally, when trying to determine the concentration of an unknown sample of CuSO₄ with known absorbance, a standard curve is used. The standard curve is a scattered plot/graph in which known concentrations and there respective/corresponding absorbance are plotted on a "X and Y axis" graph (scattered plot). The absorbance is represented on the y-axis while the concentration is represented on the x-axis.

Once this known values are plotted on the standard curve, an unknown value (either absorbance or concentration) can be extrapolated from the curve. What is missing from the question is data required for the standard curve.

This question shows the absorbance of the CuSO₄ has been determined (most likely using spectrophotometer), the concentration could have been extrapolated from a standard curve.

An example of a standard curve is provided in the attachment for guidance.

Download docx
5 0
3 years ago
Explain how each of the other fields of social science is important to historians. Remember they are economics, geography, archa
Lina20 [59]

Answer:

Social science, any branch of academic study or science that deals with sociology, psychology, political science, and economics. Most historians, however, consider history as one of the humanities.

HOPES THIS HELPS BRO!!!

3 0
3 years ago
Which characteristic of water allows its molecules to form hydrogen bonds?
a_sh-v [17]

Answer:

b. The water molecule is polar.

Explanation:

Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.

5 0
3 years ago
Read 2 more answers
What is the relationship among genes, chromosomes, and DNA?
horsena [70]
Chromosomes makes up genes while genes and chromosomes make up the entirety of DNA. A living organism inherits 46 chromosomes, 23 from each parent. These chromosomes are not genes but they form genes, which are just the traits of an individual that are unique. DNA is the entire make up of an organism that controls everything about a person such as likelihood to have disease or their physical appearance.

please vote my answer brainliest. thanks!
4 0
3 years ago
___________ is a measure of the degree to which the phenotypic variation of a given trait is due to genetic factors.
nataly862011 [7]
The answer should be heritability.
7 0
2 years ago
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