A rose is
A flower
General science
...
Which of these reduce friction?
A. Car breaks
B. Tire thread
C. Ball bearings
D.
... [Show More] Sandpaper
Ball bearings
If you place bean seed between moist paper towels and watch the stem and leaves appear, you will see a demonstration of
A. Transpiration
B. Germination
C. Fertilization
D. Pollination
Germination
Any astronomical body that revolves around a large body is called
A satellite
In chemistry, to be classified as an organic substance, a substance must contain
Carbon atoms
Which element does Not contain any neutrons
Hydrogen
What is the symbol for the hydroxyl ion
OH-
perpetual motion machine can never be built because it is not possible to eliminate
elasticity
The chemical formula of a compound describes the elements the compound contains and the
the ratio of elements in a compound
When scientist measure liquids resistance to flow, they are measuring the liquids
viscosity
The tympanic membrane's are also known as the
Ear drums
When sodium atoms form sodium ions they:
lose electrons
Chocking is prevented by then
Esophagus covering the voice box
Which of the following actions produce a chemical change?
A. Boiling water
B. Burning the rice
C. Adding salt to the water
D. Melting butter on cooked rice
Burning the rice
Which of the following is a nonrenewable resource
A. Wood
B. Water
C. Copper
D. Biomass
Copper
What do a hydrogen molecule and and an oxygen molecule have in common
the charge on each electron
Arithmetic reasoning
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A student bought a sandwich for 80 cents , milk for 20 cents, and pie for 30 cents. How much does the Meal cost?
1.30
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 raider track in the aircraft?
50 %
A certain bag of potting soil is 1/4 Peat Moss, and the rest is dirt what part is dirt ?
******** 3/4 or 75 percent
An airplane is at 32,000 feet above sea level and descends at an average rate of 1,000 feet per minute. How many minutes will it take for the airplane to land at an airport 3,000 feet above sea level?
29
A sweater originally priced at $80 and was marked down by 25%. What was the sale price of the sweater?
$60
Terry earns a $250 salary plus 5 dollars per sell. how many sales Must terry make to earn $765 altogether?
103
Together, two people earn 28,000. One earns 2,000 more than the other. How much is the smaller income?
13,000
Jerry walked a dog from 6:40 a.m. to 7:30 a.m. one day. If he was paid at the rate of $6 per hour, how much did he earn that day?
$5.90
If the perimeter of a square garden is 84 feet, what is the area of the garden?
441
A woman 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?
968 square feet [Show Less]