For the following problem use: It takes 100 years for half of the radioactive element

Biology

1 answer:

velikii [3]1 year ago

8 0

Answer:

12.375 billion years.

Explanation:

This is with my limited understanding of the game. :)

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FinnZ [79.3K]

Answer:

Medullary hormones: the epineprhin and the norepineprhin. Five different effects that these hormones produce are: increase heart rate, produce cardiac muscle contraction, elevate blood preasure, increase breathing, dicrease digestive activity, increase metabolic rate.
The most important mineralocorticoid secreted by the adrenal cortex: aldosterone.
Actions of the aldosterone: 1. Conserves sodioum ions and water in kidneys. 2. Excrete potasium ions 3. Conserves H2O.

Explanation:

The epineprhin and norepineprhin are the most important medullary hormons. They are so important because of the functions that they have. They are responsable for the increase of heart rate and if it´s movement, along with digestive and metabolic activity.

Thanks to the aldosterone which is the most important secreted minaralocoricoid, kidneys conserve water and sodium and eliminate posatium.

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2 years ago

The sugar and phosphate portions of DNA molecule function mainly to

Anni [7]

Answer:

Store and transfer genetic information

Explanation:

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2 years ago

Where did earths internal heat come from

Y_Kistochka [10]

Answer:

The Core?

Explanation:

You would think that heat would come from the core but I'm not sure

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2 years ago

The petals are surrounded by the

ArbitrLikvidat [17]

They are surrounded by the sepals. :)

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2 years ago

Darwin often used the phrase "_[blank]_" to suggest that species must have descended from preexisting species and that changes i

dybincka [34]

The answer is descent with modification.
Descent with modification practically means that a species have changed appearance wise over long periods of time to adapt to their environments better.

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2 years ago

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