Environmental Science
The unit of pressure most commonly found on a surface weather map is:

Millibars or hectopascals
Pounds per square inch
Inches of mercury (Hg)
Millimeters of mercury (Hg)

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
How do red and blue light differ?

The wavelength of red light is longer.
Red and blue light have different directions of polarization.
Blue light has a higher speed of propagation.
Red light has a higher intensity.

ANSWER DOWNLOAD EXAMIANS APP