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Paladinen [302]
3 years ago
15

Where do the aurora borealis usually take place at?

Biology
2 answers:
neonofarm [45]3 years ago
7 0

Answer:

magnetic north pole

Explanation:

They occur most frequently in a belt of radius 2500 km centered on the magnetic north pole. This so-called auroral zone extends over northern Scandinavia, Island, the southern tip of Greenland and continuing over northern Canada, Alaska and along the northern coast of Siberia.

Vikki [24]3 years ago
7 0

Answer:

how about when i answer?

Explanation:

:)

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Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
alisha [4.7K]

Answer:

Translocation

Explanation:

Translocation is a chromosomal defect in which part of a chromosome breaks off and reattaches backward on the same chromosome.

Translocation can happen due to many reasons like:

A) Some of the changes that arise around the time of conception  or production of sperm or egg.

B) The inheritance of altered chromosome from father or mother.

Translocations can be divided into two forms:

  • Reciprocal translocation
  • Robertsonian translocation.

In reciprocal translocations,  fragments of two chromosomes break off from two different places, break and swap each other's segments. While in  Robertsonian translocation one chromosome attached with other.

Hope it help!

5 0
3 years ago
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1. What is the percent increase in carbon dioxide in the atmosphere between 2015 and 2019? Between 1960 and 2015?
evablogger [386]

Answer:

1. Between 2015. and 2019. is 2.977667493796526% and between 1960. and 2015. its 27.129337539432175%

2. Carbon dioxide fluctuation is a direct response due to photosynthesis and respiration increase in spring and summer and decrease in fall and winter

Explanation:

8 0
3 years ago
What is eumelanin???
LenaWriter [7]

Answer:

A pigment containing melanin found in bird feathers

Explanation:

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3 years ago
A mutation occurs that causes a defect in the development of skeletal muscle. The mutation would likely have occurred in which k
Vanyuwa [196]

Answer:

Mesoderm.

Explanation:

The mesoderm is one of the three germinal layers that appears in the third week of embryonic development. It is formed through a process called gastrulation. There are three important components, the paraxial mesoderm, the intermediate mesoderm and the lateral plate mesoderm.

Paraxial mesoderm, also known as presomitic or somitic mesoderm is the area of mesoderm in the neurulating embryo that flanks and forms simultaneously with the neural tube. The cells of this region give rise to somites, blocks of tissue running along both sides of the neural tube, which form muscle and the tissues of the back, including connective tissue and the dermis.

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3 years ago
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Explain the purpose of the pH scale and what does it measure?
mel-nik [20]

Answer:

pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic. Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically.

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3 years ago
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