Most People Feel Comfortable When the Relative Humidity Is Around $10 \%$

Multiple Choice

Most people feel comfortable when the relative humidity is around

A) $10 \%$ to $30 \%$ .
B) $30 \%$ to $50 \%$ .
C) $50 \%$ to $70 \%$ .
D) $70 \%$ to $90 \%$ .