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SpyIntel [72]
3 years ago
6

How would you explain the reasons for dividing time into four eras? What are the major characteristics of each era? *

Biology
2 answers:
Blababa [14]3 years ago
8 0

Answer:

Eons, Eras, Periods, Epochs.

Explanation:

klasskru [66]3 years ago
5 0

Answer:

Explanation:

Here is a brief look at the four periods of the Geologic Time Scale that ... The Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras

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What makes up the "tail" of an ATP molecule? 3 phosphate groups ribose adenine 2 phosphate groups
ZanzabumX [31]

Answer:

The tail of an ATP molecule is made up by 3 phosphate groups link together by the help of 2 high energy phospho anhydride bonds.

Explanation:

ATP or adenosine tri phosphate is an energy rich compound that contain adenine base, ribose sugar and 3 phosphate groups.

                  These 3 phosphate groups makes up the tail of ATP molecule.The 3 phosphate groups are designated as alpha phosphate,beta phosphate and gamma phosphate starting from the C5 atom of ribose sugar.

          When ATP undergo hydrolysis the terminal phosphate group or the gamma phosphate group is cleaved from the ATP molecule resulting in the formation of ADP and inorganic phosphate along with the generation of high amount of free energy that is utilized by the cell to perform various cellular and physiological activities.

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3 years ago
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marin [14]

Answer:

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Explanation:

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3 years ago
Professional who study and make predictions about human populations are called
Setler79 [48]

Professionals that study and make predictions about human population are called demographers.

6 0
3 years ago
A fertilizer producer finds that it can sell its product at a price of dollars per unit when it produces units of fertilizer. Th
Vilka [71]

Answer:

700

Explanation:

If from the question the price per unit of fertilizer, p(x) = 300 - 0.1x

The cost of x units of  fertilizer = C(x) = 15000 + 125x + 0.025x^2

And we know that Profit = Revenue - Cost

Revenue for x units of fertilizer R(X) = x*p(x)

= 300x - 0.1x^2

Hence Profit: P(x) = R(x) - C(x)

= [300x - 0.1x^2] - [15000 + 125x + 0.025x^2]  

= -0.125x^2 + 175x - 15000

To determine critical values

P'(x) = -0.25x + 175 = 0

Thus x = 175/0.25

x = 700

To maximize profit, the manufactures must produce 700 units of fertilizers

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3 years ago
Changes that occur in the cns during the aging process include
sasho [114]
Nerve cells may begin to pass messages more slowly than in the past. Waste products can collect in the brain tissue as nerve cells break down. This can cause abnormal changes in the brain called plaques and tangles to form.
Breakdown of nerves can affect your senses. You might have reduced or lost reflexes or sensation. This leads to problems with movement and safety
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2 years ago
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