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aleksandrvk [35]
3 years ago
8

NEED HELP ASAP

Biology
2 answers:
Vladimir [108]3 years ago
6 0

Answer: its CO2 for the first one

Explanation:

Blababa [14]3 years ago
3 0
Hello!

Global warming has contributed to an increase in *CO2 levels*.

The answer to the second question is 1. Eutrophication occurs when there is an excess in nutrients and plants in the water deprive the others of vital sources (specifically O2).

The answer to the last question is 4. Studies have proven that even though most plastic starts in landfills, it eventually piles over into the ocean.
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The medial cord is medial to the axillary artery and is formed by the ______ division of the inferior trunk; it contains portion
SpyIntel [72]

The medial cord is formed by the anterior division of the inferior trunk.

It contains portions of nerves C8-T1.

             The medial cord is present in our neck and is a part of the brachial plexus. It is formed by the anterior division of the lower trunk. It is called the medial because it is medial to the axillary artery.

              The medial cord leads to the formation of the medial pectoral nerve, medial cutaneous nerve of the arm, and medial cutaneous nerve of the forearm.

               The nerves labeled as C refer to the nerves affecting the motor system in our neck and upper limb. Thus nerves from C8 work for the motor conventions of our upper limb and neck.

              The nerves labeled as T are spread over our chest, shoulders, and hands. Thus, the nerve T1 works in the upper part of our body.

To learn more about cords and nerves,

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4 0
1 year ago
How dose observed pattern of magnetic reversals supports the theory of sea floor spreading
expeople1 [14]

Answer:

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3 0
2 years ago
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A certain species of plant has four unlinked genetic loci, w, x, y, and z. each genetic locus has one dominant allele and one re
Charra [1.4K]
The genotype of the plant is <span>WwXxYyZz.
The plant has a 50% chance of passing each of the alleles of a gene, the dominant or the recessive.
So, for  producing the haploid genotype of a gamete </span><span>Wxyz the chance is
0,5 (W)* 0,5 (x)* 0,5 (y) * 0,5( z)= 0,0625

</span><span>
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3 0
3 years ago
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Sarah wants to know which brand of nail polish lasts the longest without chipping.She buys 4 types of nail polish - Essie (which
son4ous [18]

Answer:

Different brands of nail polishes used by Sarah.

Explanation:

While conducting an experiment two different variables are considered namely dependant variable and independent variable. The variable which is continuously changed to see the effects is called as independent variable and the variable which is being tested is called as dependant variable.

In the given scenario, Sarah want to know best brand of nail polishes which lasts longest without chipping. Thus the different brands of nail polish used by her is considered as independent variable.

7 0
3 years ago
What is true of all eukarotes?
inysia [295]

Answer: they all have a nucleus

Explanation:

Unlike prokaryotes, the dna is neatly inside the nucleus and not scarttered around, The types of eukaryotes are plant and animal cells

3 0
3 years ago
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