1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
krek1111 [17]
3 years ago
12

What is the definition of refraction, luminescence, and ultraviolet?

Biology
1 answer:
jeyben [28]3 years ago
5 0
Refraction- bending of light waves (ex. straw in a cup of water looks bent on a side but really is NOT, this is due to refraction, it bends the light waves reflected)

Luminescence- Creation/Emission/Starting or making of light through ways that DO NOT INVOLVE heat.

Ultraviolet- a wavelength that is part of the electromagnetic spectrum its shorter than visible light waves.
You might be interested in
Anthropologists accept a theory when __________.
inysia [295]
The correct answer is A. 
It starts with a hypothesis, which is basically and educated guess.
Then it goes to a theory, which is proven with a bunch of data.
Then it goes to scientific law, which is when the theory works with centuries of data. Not even scientific laws are guaranteed to be true though.
3 0
3 years ago
True or false? The myocardium receives its oxygen supply from the endocardium via diffusion through gap junctions.
DiKsa [7]
False. The myocardium receives oxygen from the coronary arteries. Coronary arteries are found on the outside of the heart and supply oxygenated blood to the heart tissue.
3 0
4 years ago
What is fermentation​
Elodia [21]

Answer:

the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.

Explanation:

3 0
3 years ago
Read 2 more answers
Which term means the level of effort required to complete an activity? a.recovery b.intensity c.time d.variation
Margaret [11]
The word being referred to above is the word intensity. Thus, the answer is letter B. The word also refers to the degree or amount of strength or force that an object has.  Some of its synonyms are the words saturation, potency, force, power, etc. 
7 0
3 years ago
Read 2 more answers
Why do you look different as an adult than you did as a baby?
True [87]
Features are not fully done until you are much older
3 0
3 years ago
Other questions:
  • Where are oil deposits found today
    6·1 answer
  • What is diffusion,active transport and osmosis
    15·1 answer
  • Suppose a certain type of bacteria reproduces according to the model p(t)=100e^0.271t, where t is time in hours. at what rate do
    10·1 answer
  • Select all that apply. Common medicines made from plants include _____. aspirin cough syrup Neosporin codeine ephedrine
    11·2 answers
  • Hat is the horizontal line present across the front teeth of this skeleton and what does it represent?
    6·1 answer
  • Question 6 of 10<br>2 Points<br>What is the function of mitochondria in cells?<br>​
    13·2 answers
  • Please help, A, B,C, or D?
    14·1 answer
  • Lab Report
    15·1 answer
  • Two types of fertilizers​
    5·2 answers
  • Which of the following describes how background research helps in the design of an experiment? O A. It provides information abou
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!