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kumpel [21]
2 years ago
9

What were land bridges used as an explanation for?

Biology
2 answers:
AURORKA [14]2 years ago
6 0
The answer is b I hope this helps
vaieri [72.5K]2 years ago
4 0
The answer would be B! I hope this helps you! :)
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COMPILLE LUM<br>Give a short explanation about soda acid fire extinguisher.​
Neporo4naja [7]

Answer:

Soda-acid fire extinguishers contain sodium bicarbonate and sulphuric acid. It is the most effective house-hold fire extinguisher and it consists of a strong iron vessel .The sulphuric acid reacts with sodium bicarbonate to form sodium sulphate, water and carbon dioxide.

Explanation:

4 0
4 years ago
An eagle on a tree branch sees an injured squirrel 50 meters away on the ground. The eagle then flies from the tree to prey on t
BigorU [14]
B. The eagles brain recognized the squirrel as prey
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3 years ago
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Which of the following events characterizes metaphase of mitosis?
Natalka [10]

A.chromosomes aligning themselves at the equator.

<h3>What distinguishing features of mitosis' metaphase?</h3>

A phase of cell division known as "metaphase" (mitosis or meiosis).Individual chromosomes are typically dispersed throughout the cell nucleus.The chromosomes of the cell condense and move toward one another, aligning in the center of the dividing cell, and the nucleus of the cell disintegrates during metaphase.

<h3>What distinguishes metaphase from other phases?</h3>

Its alignment of a duplicated chromosomes at the metaphase plate, an equatorial plate, is what gives metaphase its name.Via microtubules attached to its kinetochore, one of the sister chromatids is joined to one pole of the cell, and the other sister chromatid is associated to the other pole.

To know more about metaphase of mitosis visit:

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3 0
1 year ago
The ability of vibrio cholerae to cause disease depends on a number of factors. What are general requirements for any organism t
Svetllana [295]
<h2>Disease </h2>

Explanation:

  • Pathogenicity is the ability to produce disease in a host organism
  • Microbes express their pathogenicity by means of their virulence, a term which refers to the degree of pathogenicity of the microbe
  • The relationship between a host and a pathogen is dynamic, since each modifies the activities and functions of the other
  • The outcome of such a relationship depends on the virulence of the pathogen and the relative degree of resistance or susceptibility of the host, due mainly to the effectiveness of the host defense mechanisms
  • Hence, general requirements for any organism to cause disease within a host are: evasion of host defenses , gaining access to the host via a portal of entry, adherence to host tissues

 

4 0
3 years ago
Rachel Carson wrote in Silent Spring, "The chemical war is never won, and all life is caught in the crossfire." Respond
AleksAgata [21]

Answer:

Yes.

Explanation:

Yes, the statement is right because in chemical war, great damage occurs to all living organisms that has a bad effect on our environment. These chemicals are very dangerous so its usage in the war has long term effects on the environment and the organisms that live in it. Both the opponents receive great damage from this chemical war and the destruction of the natural beauty of the place vanished where this war occurs so this vanished of beauty and organisms is the defeat of both the opponents that fought this war.

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3 years ago
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