A. Compound
b. Element
c. Mixture
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If ozone layer is completely removed then many severe effects can be seen in the temperature of the earth.
- The ice in the Antarctica starts getting melt which increases the level of water in ocean and proved to be harmful for the coastal areas.
- The rise in temperature also lead to long summers and high temperatures ranges from 50° C to 65° C .
Explanation:
The removal of ozone layer will not only effect the temperature but also had a great impact on human and animals such as
- The harmful rays will directly fall on earth in the absence of ozone cause cancer in animals, plants and humans.
- These harmful rays weaken the immune system.
- Lead to disturbance of food chain in following ways : -
- It will led to increase in herbivores as a result, the number of plants will decrease and the amount of oxygen will also decrease in the atmosphere.
- The carnivores keep the population of other carnivores and herbivores in check. This will disturb the balance of ecosystem.
- The concentration of harmful chemicals is maximum at the last trophic level . Because these chemicals are not degradable, these get accumulated progressively at each trophic level.
Answer:
speed cannot be used to calculate the temperature
Answer:
Density of a substance is the ratio of mass of the substance to its volume.
A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.
The expression of an electronic component, circuit, or system's resistance to alternating and/or direct electric current is called impedance, indicated by the letter Z. Resistance and reactance are two distinct scalar (one-dimensional) phenomena that combine to form impedance, a vector (two-dimensional) variable.
=
(for a pure resistor where Z=R,preserving the form of the DC Ohm's law).
I = 20 A
Therefore, A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.
Learn more about impedance here;
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