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miv72 [106K]
3 years ago
13

The Sun is located _____.

Biology
2 answers:
anastassius [24]3 years ago
6 0

its definately in an arm. your best bet would be 25 percent or C

madreJ [45]3 years ago
6 0

Answer: The correct answer for the blank is-

in an arm about 75% of the distance from the center of the Milky Way to its outer edge.

The Sun is located in the inside of the Orion Arm, which is a branch of the Sagittarius Arm that is considered to be one of the major arms of grand spiral galaxy ( The milky way) .

The Sun is located about 26,000 ly ( light years) far from the center, which is approximately about 75% of the distance from the center of the Milky Way to its outer edge.

Thus, last option is the right answer.

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Autonomic centers in the ________ exert neural control over hormone secretion by the adrenal medullae. a) pineal gland b) pituit
frez [133]

Answer:

The correct answer will be option-E

Explanation:

The autonomic nervous system or ANS activity in the brain is mainly controlled and regulated by the hypothalamus structure. The autonomic centres of the hypothalamus control the hormonal secretion adrenal medulla like adrenaline and norepinephrine.

The secretion of the hypothalamus controls the activity of the vasomotor center which help maintain the blood pressure.

Thus, option-hypothalamus is the correct answer.

3 0
3 years ago
A 10-7 is performed on a culture of bacteria in order to perform viable plate counts. From the dilution, *0.1 mL* of solution is
marishachu [46]

Answer:

66 * 10^8 CFU/mL

Explanation:

Given -

a) Number of colonies of bacteria is equal to 66

b) Total volume of the solution is equal to 0.1 mL

c) Dilution factor is equal to 10^{-7}

As we know that

CFU/mL = \frac{N * DF}{V}

Where N is the number of bacterial colonies, DF is the dilution factor and V is the volume

Substituting the given values in above equation, we get -

CFU/mL = \frac{66* 10^7}{0.1} \\= 66*10^8

5 0
3 years ago
What percentage of nitrogen does our atmosphere contain?
alekssr [168]
Earth's atmosphere is 78%<span> nitrogen </span>21%<span> oxygen, </span>0.9%<span> argon, and </span>0.03%<span> carbon dioxide with very small percentages of other elements.
hope it helps</span>
5 0
3 years ago
Hurry pleaseeee
Nat2105 [25]

Answer:

(three) crossing over, mutations caused during crossing over, and independent assortment.

Explanation:

Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I.

5 0
3 years ago
Read 2 more answers
What is the branch of science that is concerned with the way in which the organism and its parts function?
alexira [117]
Either biology or anatomy 
4 0
3 years ago
Read 2 more answers
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