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Water droplets forming on the inside of a cold windshield is an example of
Condensation
Any astronomical body that revolves around a larger body is called?
a satellite
In chemistry, to be classified as an organic substance, a substance my contain
carbon atoms
Which element does NOT contain any neutrons?
A. Iron
B. Carbon
C. Oxygen
D. Hydrogen
Hydrogen
The chemical formula of a compound describes the elements the compound contains and the
ratio of elements in the compound
What is the symbol for the hydroxyl ion?
OH-
The tympanic membranes are known as the
ear drums
Which of the following actions produce a chemical change?
adding salt to hot water
Choking is prevented by the
epiglottis covering the voice box
Which if the following is a non-renewable resource?
wood
When scientists measure a liquid's resistance to flow, they are measuring the liquid's...?
viscosity
A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the radar track the aircraft?
50%
Jerry walked a dog from 6:40am to 7:30pm one day. If he was paid at the rate of 6$ per hour, how much did he earn that day?
$5.00
A women is looking for a bigger square office. She finds an office twice the area of her current office. If the perimeter of her current office is 88 feet, how many square feet is the new office?
176 sq ft
If the perimeter of a square garden is 84 feet, what is the area of the garden?
441 sq ft.