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VMariaS [17]
3 years ago
7

Where have the majority of australopithecus skeletal remains been found?

Biology
2 answers:
slega [8]3 years ago
7 0
The majority of australopithecus skeletal remains been found in the Great Rift Valley of East Africa.
barxatty [35]3 years ago
4 0
Those skeletal remains were most found in South Africa.
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stich3 [128]

Answer:

I don't think so but u have to find out for your self

7 0
3 years ago
A gradual change in the environment takes place slowly over a long period of time.
xenn [34]
Is it erosion (I guessed)
5 0
2 years ago
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Over a period of two generations, the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency
tekilochka [14]
This is an example of microevolution.

Microevolution
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5 0
3 years ago
The pH scale measures the acidity of a substance. It is a negative logarithmic scale. A pH of 3 has a hydrogen ion concentration
Hitman42 [59]

Answer:

The correct answer is: a pH 2 solution has a <u>10000 times</u> greater hydrogen ion concentration than a pH 6 solution.

Explanation:

The pH scale is a measurement used to describe the acidity of a solution, and this acidity is given by the concentration of H+ (hydrogen ion) in said substance. A solution with a greater concentration of H+, is more acid than a solution with a smaller concentration of H+ and, therefore, has a lower pH. Given that the pH scale is a negative logarithmic scale, a solution with a pH of 3 has a ten times greater H+ concentration than a solution with a pH of 4.

A pH 2 solution has 10 times more H+ ion concentration than a pH 3 solution, 100 times more H+ ion concentration than a pH 4 solution, 1000 times more H+ ion concentration than a pH 5 solution, and 10000 times more H+ ion concentration than a pH 6 solution.

6 0
3 years ago
The principal microtubule-organizing center in animal cells is the ____________. A. centrosome. B. centromere. C. kinetochore. D
Gwar [14]

Answer:

A. centrosome

Explanation:

  • The centrosome is known as the main microtubule-organizing center in the animal cells. 
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  • It is the center through which the microtubules emerge.
  • In animal cells, the centrosome is associated with the formation of spindle fibres. 
4 0
2 years ago
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