All of the above, is the answer :)
The procedure is a refraction or vision test. The doctor may use a computerized refractor or simply shine a light into your eyes.
<span> a document that provides health and </span>safety<span> information about products, substances or chemicals that are classified as hazardous substances or dangerous goods. </span>MSDS's<span> provide information on the manufacturer or importing supplier. the product </span>
Answer:
10,000
Explanation:
The human nose has roughly 400 types of scent receptors that can detect at least 1 trillion different odours. The human nose can distinguish at least 1 trillion different odours, a resolution orders of magnitude beyond the previous estimate of just 10,000 scents
hope this helps
