Eutrophication of water bodies like lake, pond, shallow stretches of river, etc. is the phenomenon where excess growth of vegetation on the surface of the water takes place. This excess growth results in the clouding of the water, depletion of dissolved oxygen in water, and the death of aquatic organisms. The primary reason for the cause of eutrophication is the presence of nutrients in excess amounts in the water. The nutrients B. come from fertilizer and sewage runoff.
C is your answer :)
And also C and D are true but its C.
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How Does the Immune System Work?
Innate immunity: Everyone is born with innate (or natural) immunity, a type of general protection. ...
Adaptive immunity: Adaptive (or active) immunity develops throughout our lives. ...
Passive immunity: Passive immunity is "borrowed" from another source and it lasts for a short time.
The correct answer is that "<span>The prospect of an ambiguously gendered person seems threatening and disturbing."
</span>Intersex people<span> are born with any of </span>numerous variations<span> in </span>sex characteristics which includes<span> chromosomes, gonads, </span>intercourse<span> hormones, or genitals that, They are described as people, who does not suit any standard definition of a male or female's body because of their characteristics.</span>