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viva [34]
3 years ago
8

71. After Precambrian Time, the basic divisions of the geologic time scale, from larger to smaller, are

Biology
1 answer:
Paul [167]3 years ago
3 0
The answer is eons, eras, and periods.

A period is a basic unit in geology. Two or more periods form an era. Two or more eras form an eon. For example, Phanerozoic is the eon. It consists of three eras. These eras are Paleozoic, Mesozoic, and Cenozoic. Paleozoic is the era that consists of five periods. These periods are Cambrian, Ordovician, Silurian, Devonian, and Permian.
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Mafic lava tends to have low silica content. Based on this, which of the following statements about mafic lava is most likely tr
sashaice [31]

Answer:

A. It contains fewer volatile gases.

Explanation:

Mafic lava have a composition of about 45-55% silica with high amount of Fe, Mg, Ca.

The silica content is quite low compared to those of granitic magma whose silica content can reach up to about 60%.

What determines the viscosity of magma is basically the silica content of the magma and the temperature of the magma. Viscosity is the resistance to flow.

The higher the silica content, the lower the viscosity and the higher the amount of volatile gases. Such type of magma is the granitic magma. Granitic magma due to their viscosity flows slowly.

The lower the silica content, the higher the viscosity and the lesser the presence of volatile gases in them. Such an example is Mafic magma. Mafic magma flows very slowly with low amount of dissolved gases.

8 0
4 years ago
Read 2 more answers
What is Respiration?
diamong [38]
  • Biology Definition: Respiration is a chemical reaction that happens in all living cells. (Both plant cells and animal cells). Respiration is the way that energy is released from glucose so that all the other chemical processes needed for life can happen.

  • Normal definition: The action of breathing, also called ventilation.

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8 0
3 years ago
. During development, some cells become liver cells, somet
Alex

Answer:

Cellular differentiation.

Explanation:

Cellular differentiation is the process in which a cell changes from one call type to another. Usually, the cell changes to a more specialized type. Differentiation of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.

4 0
3 years ago
If the total number of homes with pet is 400 the number of homes with <br> a cat is?
vekshin1

Answer:

depends

Explanation:

how many homes does dog have. my minecraft house has 3 dogs .

7 0
3 years ago
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A student is experimenting with a substance that moves into the cell via facilitated diffusion. The student notes that as the co
guapka [62]

Answer:

The phenomenon seen by the students is Osmosis.

Explanation:

Osmosis is the movement of molecules from higher concentration to lower concentration through a semi-permeable membrane. This type of movement of molecules occurs in the body cells. When the concentration of molecules is higher outside the cell than the inside, the molecules goes inside the cell through semi-permeable membrane.

4 0
4 years ago
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