The Use of Which of the Following Controls Prevents the Visitor's

question 19

Multiple Choice

The use of which of the following controls prevents the visitor's having to type information into a text field?

• A) text
• B) textarea
• C) password
• D) select

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Definitions:

Temperate Lake

A lake located in a temperate climate zone, characterized by moderate temperatures and seasonal variations.

Oligotrophic Lake

A type of lake characterized by low nutrient levels, clear waters, and relatively low productivity of plant and animal life.

Net Primary Productivity

The rate at which plants in an ecosystem produce net useful chemical energy; essentially, the amount of biomass created minus the amount used by plants for respiration.

Phytoplankton

Microscopic plant-like organisms that live in aquatic environments, forming the base of many aquatic food webs and producing a significant portion of Earth's oxygen.