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Fed [463]
3 years ago
14

How does mass play a role in the life cycle of a star? Use atleast 3 specific examples from the stages in the life cycle of a st

ar.
Biology
2 answers:
barxatty [35]3 years ago
7 0
The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born. ... It is now a main sequence star and will remain in this stage, shining for millions to billions of years to come.
riadik2000 [5.3K]3 years ago
4 0

Answer:

Explanation:

Stars about the size of our sun go through the same first four stages as does any other star. 1. They begin their lives as a nebula, 2. then become a Protostar, 3. eventually becoming a main sequence star 4. and finally a red giant. 5. but the more mass a star has the shorter its life.

hope this helped if it did I'm trying to rank up so brainliest is much appreciated. if I did get it wrong please tell me.

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A scientist has discovered a new plant species in the Amazon rainforest. She tells her fellow scientists that the plant she has
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The correct answer is this: IT DOES NOT DEPEND ON INSECT POLLINATION.
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10. Which of the following is an example of a prevention activity? A. Mobilizing search and rescue teams B. Requiring identifica
Step2247 [10]

Answer:

Option (B).

Explanation:

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5 0
3 years ago
Chloride ions, Cl-, follow actively transported Na+ ions from the nephrons into the blood. Would you not expect the Cl- concentr
DerKrebs [107]

Answer:

Bicarbonate ion, HCO3- (which has a similar charge to chloride ions) also follow sodium ions into the blood. Also, potassium ions, K+ are transported into the nephron so some chloride ions and bicarbonate ions remains in the nephron to balance the charge.

Explanation:

Sodium is the primary positively charged electrolyte in extracellular fluid. Most of the solute reabsorbed in the proximal tubule is in the form of sodium bicarbonate and sodium chloride. Water is also reabsorbed in order to balance osmotic pressure

When sodium ions are reabsorbed into the blood, few of the substances that are transported with Na+ on the membrane facing the lumen of the tubules include Cl- ions, Ca2+ ions, amino acids, and glucose. Sodium is actively exchanged for K+ using ATP on the basal membrane.

In the distal convoluted tubule, K+ and H+ ions are selectively secreted into the filtrate, while Na+, Cl-, and HCO3- ions are reabsorbed to maintain pH and electrolyte balance in the blood.

Some chloride ions remains in the nephron to balance the charge of the secreted K+ ions and also due to the bicarbonate ions that are removed.

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The answer has to be A
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