Answer:
The endosymbiotic theory states that some of the organelles in today's eukaryotic cells were once prokaryotic microbes. ... They eventually lost their cell wall and much of their DNA because they were not of benefit within the host cell. Mitochondria and chloroplasts cannot grow outside their host cell.
1:15 is the ratio of radioactive parent isotope to stable daughter isotope,
after four half-lives of decay.
Let:
- 'A' be the initial concentration of the radioactive parent isotope
- 'n' be the number of corresponding half-lives
- 'A/2ⁿ ' be the final concentration of the radioactive parent isotope
Using the Exponential Decay Relation:
A → A/2ⁿ ( after 'n' half-lives )
A⁴ → A/2⁴
A⁴ → A/16
∵The final concentration of the radioactive parent isotope is A/16.
∴The initial concentration of the stable daughter isotope will be 15A/16.
1:15 is the ratio of radioactive parent isotope to stable daughter isotope,
after four half-lives of decay.
Learn more about questions on Radioactive decay:
brainly.com/question/15575933
This occurrence takes place because the moon revolves around the Earth in the same direction that the Earth rotates around its axis.
High tides are commonly unequal in height due to the axial angle of the Earth's rotation. For example, the location on the Earth has a fairly large, high tide. But then if this position rotates in let's say, 12 hours to the other side, the high tide is no longer as high.
- On the far side, the gravitational pull of the moon is weaker because it is farther away.
- On the far side, the force of inertia is greater than the gravitational pull, and thus, it bulges.
Convergent
Explanation:
If the mountain chain is on land, it would open up a fissure of lava, in which the lava would harden forming rock. As more magma rises up, the pile beginings to gradually grow. The sedimentary part would be convergent because it would push one plate over the other, leaving a small mountain or mountain chain. Larger Mountains would if this process occurred numerous time in the same spot or one large convergent plate boundary formed.
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