Which of the Following Is an Advantage of Mail Surveys

question 13

Multiple Choice

 Which of the following is an advantage of mail surveys? 

• A) High depth of response
• B) Easy to estimate non-response biases
• C) Broad geographic dispersion
• D) Easy to reach all segments

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Definitions:

Gastrulation

Gastrulation is a phase early in embryonic development during which the single-layered blastula is reorganized into a multilayered structure called the gastrula.

Germ Layers

In animals, three embryonic tissue layers: endoderm, mesoderm, and ectoderm

Echinoderms

A phylum of marine animals characterized by radial symmetry, a calcareous skeleton, and a water vascular system, includes starfish and sea urchins.

Primitive Groove

A depression or furrow on the surface of an early embryo that is involved in the process of gastrulation, leading to the development of different layers.