Answer:
<h2>Demographic measures are the actual changes in size, composition and distribution due to changes in demographic components like birth, death and migration, as a result of their respective processes like rate of fertility, mortality and migration.</h2>
Creatures is what it’s referring to
Answer: d
Explanation:
Because it's quick easy and efficient so you can have easy access to it and all you use is your toes and calves.
Correct answer choice is :
C) A product of a reaction between nitrogen oxides and volatile organic compounds present in various emissions that can irritate respiratory organs
Explanation:
The ozone layer is a deep layer in the stratosphere, surrounding the Earth, that has huge numbers of ozone in it. Interestingly, it is also this ultraviolet radiation that produces the ozone in the first place. Ozone is a particular kind of oxygen, made up of three oxygen atoms rather than the normal two oxygen atoms. This real sunscreen, identified as Earth's ozone layer, consumes and prevents the bulk of the sun's UV radiation. Within days of the ozone layer's disappearance, many plants would die.