What factors are examined by the field of demography? check all that apply.

Demography is the statistical study of human populations. Demography examines the size, structure, and movements of populations over space and time. It uses methods from history, economics, anthropology, sociology, and other fields.

there are plastid colour pigment organelle containing a verity of colours

              plastids contain of three organelles 1) chloroplast   (2)   chromoplast   (3)   lecoplast

            the verities of colours are present in chromoplast rather than green so, petals of sun flavour colour is due to chromoplast.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

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