22/13 is improper fraction.
Proper fraction is when the denominator is bigger or greater than the numerator e.g 20/3,6/1 etc
Improper fraction is when the denominator is smaller or less than the numerator e.g 3/20, 1/6 etc
Mixed fraction is when there is a whole number before a fraction e.g 2 1/2 52/3 etc
I believe its c, that makes the most sense.
Answer:
false
Explanation:
Narcolepsy is a disorder of the relationship between sleep and wakefulness. This particularly affects REM sleep where features of REM sleep intrude into wakefulness and non-REM sleep.
Answer: The bacteria gets released into the air by someone who already has the TB bacteria in their body.
Explanation: Tuberculosis is spread from one person to another through the air. When a person with TB of the lungs or throat coughs, sneezes, sings or talks, droplets containing the bacteria are released into the air.
Hope this helped <3
3: opiates, came along in the 19th century..was widely used during the civil war as well..