Nutrients is the substance in food
Answer:
They block sperm from reaching an egg.
Explanation:
Unlike the traditional birth control pill, the mini-pill has only the hormone, progestin. Taken daily, the mini-pill thickens cervical mucus and prevents the sperm from reaching the egg.
Answer:
A buffer
Explanation:
A buffer is composed of a weak acid and a conjugate base. They are resistant to pH because of equilibrium between the acid and its conjugate base.
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.
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