Hi there!
Kinetic Energy (1/2 · mass · velocity²) occurs when an object is in motion, or a force is occurring on the object. An example would be a car in motion.
Potential energy (mass · height · gravity ) is obtained when an object has the ability to do work. An example would be an object on a shelf. It has the potential to fall, and this would cause the potential energy to become converted into kinetic energy.
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Looking at the examples in the table, we can sort them as such:
Girl swimming laps- Kinetic energy because the girl is in motion.
Boy on diving board - Potential energy because the boy is not in motion, but has the potential to be in motion.
Girl hitting volleyball - Kinetic energy because the volleyball is in motion.
Boy holding volleyball- Potential energy because the volleyball is stationary and has the potential to be in motion.
Therefore, the correct table is table 1.
Explanation:
The influence from radioactivity is inversely proportional to the number of chromosomes , since , humans have more DNA , chromosomes than the insects , and therefore , due to less chromosomes in insects , they are more resistant towards radioactivity .
As the target of the radiation is the DNA .
Hence , It is clear that insect due to lesser DNA are less prone to Radiations .
The letter should contain concerns about the causes and ill effects of erosion.
<h3><u>Explanation</u>:</h3>
Sir,
I am very sad to inform you that the town of Hariharanpur is suffering from continuous erosion for the last 3 years. Even after having proper knowledge about this fact, you being the mayor, are not taking any charge of this situation.
The town is situated just by the side of River Ganges which makes it's soil full of moisture. Along with the repeated deforestation and tree cutting for urbanisation, the smallest of the rain falls are also eroding a lot of soils. This can lead to severe landslides in river Ganges with severe loss of properties as well as loss of lives too.
So i request you to start embanking the river as well as to start planting new trees to save the town from getting lost under Ganges.
Thanking you,
XYZ.
Answer:
The correct answer is reciprocity or pairing of the bases.
Explanation:
The fact that bases are reciprocal to one another (thymine and adenine, cytosine and guanine) means that the same information contained in one strand is also found in the other one. This led to the fact that the DNA molecule is the one that carries genetic information.
Because decomposition helps create nitrogen, a lack of decomposition would result in a lack of nitrogen being created.
