Which type of smog is a major problem in many cities in developed countries during the summer?

A. industrial
B. photochemical
C. exhaust
D. pseudo-organic


B. photochemical

Health & Biomechanics

You might also like to view...

For ________ anesthesia, an anesthetic drug is given by subcutaneous injection near a nerve plexus (group of nerves) and its branches

Fill in the blank with the right word.

Health & Biomechanics

What is the evidence that it is possible to shift attention to objects that are imaged on parts of the retina outside the fovea? Choose the correct option

A) A cue that directs attention to an image that is about to appear to the right or the left of the fovea improves visual detection and reaction time. B) Individual neurons in the frontal eye fields fire during a saccade to a specific target. C) Invalid, neutral and valid cues all have the same impact on visual detection and reaction time. D) Attention has a direct effect on visual transduction and motor coding.

Health & Biomechanics

The client is pregnant for the first time. She is known as a:

A. multigravida B. nulligravida C. primigravida D. primipara

Health & Biomechanics

The prefixes e-, ec-, and ex- all mean:

A. beneath. B. through. C. away. D. out. E. in, inside.

Health & Biomechanics