Deposits of Soil That Are Rich in Silica Contain Microscopic

question 208

Multiple Choice

Deposits of soil that are rich in silica contain microscopic shells with spines and are often used as insecticides, since the pointed spines perforate tracheae of insects.These shells are most likely to be those of

• A) diatoms.
• B) foraminiferans.
• C) corals.
• D) radiolarians.
• E) alveolates.

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Definitions:

Experimentation

The process of trying out new ideas, methods, or activities to discover something unknown or to test a theory.

Inspiration

The first phase of design thinking, when you develop the design challenge and acquire a deeper understanding of users.

Intuition

The ability to understand or know something immediately, based on feelings rather than conscious reasoning or factual evidence.

Feasibility

The practicality or possibility of something being accomplished or achieved.