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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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1.-Identify the different ways in which evolution can occur?
Jobisdone [24]
1. These four factors can effect ways evolution occur:

<span>1.) Mutation 
2.) selection
3.) Gene Flow
4.) Genetic Drift 

2.  </span>In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.

Selection, in biology, the preferential survival and reproduction or preferential elimination of individuals with certain genotypes by means of natural or artificial controlling factors.

In population genetics, gene flow is the transfer of alleles or genes from one population to another.

<span>Genetic drift  is the change in the frequency of a gene variant in a population due to random sampling of organisms. </span>
4 0
3 years ago
What happens during photosynthesis? pls help me
Eduardwww [97]

Explanation:

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. ... Then, via respiration processes, cells use oxygen and glucose to synthesize energy-rich carrier molecules, such as ATP, and carbon dioxide is produced as a waste product.

3 0
3 years ago
Compare and Contrast Renewable and Nonrenewable Resources.
grin007 [14]

Answer:

Nonrenewable energy options are small in supply. Renewable materials replenish themselves spontaneously and in a very brief amount of time.

Explanation:

7 0
2 years ago
G you extracted your dna from cheek cells. the concentration of your dna sample is 250 ng/μl. the dna template for pcr should be
Karo-lina-s [1.5K]
You should mix 4µl of DNA sample and complete it with 96µl (100-4) of water.

You can figure this out by using  C1.V1 = C2.V2
C1 = 250 <span>ng/μl (Sample Concentration)
</span>V1 = ?          (the necessary volume to take from the DNA sample)
C2 = 10 <span>ng/μl (PCR concentration)
</span>V2 = 100 µl (total volume)

V1 = \frac{C2 . V2}{C1} = \frac{10 . 100}{250} = 4µl

For the water: 100µl (total volume) = 4µl + Water
Water volume = 96µl
6 0
3 years ago
HELP ME WITH THIS SUPER EASY QUESTION 30 POINTS
Diano4ka-milaya [45]

Answer:

Explanation:

Did

6 0
3 years ago
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