80% 2. What is population density?
80%
90%
A the number of organisms of a species in a particular area
B the area occupied by a particular species in an ecosystem
OC the total number of organisms of a particular species
OD the total number of organisms within a fixed area

A.

Population density is the total number of organisms of a specie in a particular/fixed area; 150 bees in a 150 meter/square... it's density is arguably 1 bee to one meter/square.

what's the question ?

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.