The Current Definition of the Standard Meter of Length Is

question 85

Multiple Choice

The current definition of the standard meter of length is based on

• A) the distance between the earth's equator and north pole.
• B) the distance between the earth and the sun.
• C) the distance traveled by light in a vacuum.
• D) the length of a particular object kept in France.

---

Definitions:

Masked Design

A research design in which participants do not know which treatment group they are in to prevent bias; also known as a blinded design.

Placebo

An inert or non-therapeutic substance given to a control group in clinical trials to assess the psychological impact of receiving a treatment.

Natural

Naturally occurring and not manufactured or created by human beings.

Biased

Showing an unfair preference or prejudice for or against something or someone.