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What causes a substance to expand?
An increase in temperature of the substance causes it to expand.
What is a substance that causes pollution called?
a pollutant
Which endogenous substance causes bronchoconstriction?
histamine and prostaglandines
What substance reflects light?
Mirror
Which characteristic is shown when a person smells a gas in the air?
Sensitivity
What head injury causes light sensitivity?
a concussion
What are the early symptoms of shingles?
When the virus that causes chickenpox reactivates, it causes shingles. Early symptoms of shingles include headache, sensitivity to light, and When the virus that causes chickenpox reactivates, it causes shingles. Early symptoms of shingles include headache, sensitivity to light, and
What are some of the causes of Migraines?
Migraines can come about for almost any reason. These include stress, light sensitivity, sound sensitivity, and hunger. They also can be caused by genetics.
Malnutrition causes what eye problems?
Visual disturbances include night blindness and increased sensitivity to light and glare.
What causes light and sound sensitivity during migraines?
Light and sound sensitivity during Migraine is caused by the neurological processes of the attack. Increased pressure is not related to Migraine and in fact is another headache disorder called Intracranial Hypertension._____________________________________________Increased pressureBlood vessels are expandig and increasing intracranial pressure which affects certain cranial nerves which leads to pain and increased light/sound sensitivity.
What describes a substance with a high index of refraction?
It causes light to slow down significantly.
Light sensitivity in euglena is provided by the eyespot True or False?
Yes, light sensitivity in euglena is provided by the eyespot.
How do you set the sensitivity of a light dependent resistor?
using a variable resistor we can adjust the sensitivity of a light dependent resistor
What is the difference between and allergy and an allergen?
Being exposed to something your allergic to can potentially cause you to be sick. Being sick is your body's way of slowing down your cognitive functions, so that it can focus on getting rid of the thing that is making you sick.Example: If you are allergic to peanuts, and you eat one, there is a high chance that you will be sick.
Susan was both nyctophobic and photophobic.What were Susan's fears.?
She was afraid of both darkness and light. Although, medically speaking, photophobia is not an actual phobia. It's sensitivity to light, as when light actually causes your eyes to hurt, causing a reflexive aversion to light and light sources.
Which describes a substance with a high index of refraction?
Silicon, with an index of 3.96, is the lowest I could find.
What causes a substance to expand?
An increase in temperature of the substance causes it to expand.
