ANSWERS TOP RATED
Which of these reduces friction - answerball bearings
When a lobster grows a claw to replace one that was lost, the process is called - answerregeneration
Any astronomical body that revolves around a larger body is called - answersatellite
In chemistry, to be classified as an organic substance, a substance must contain? - answercarbon atoms
Which element does NOT contain any neutrons - answerHydrogen
The chemical formula of a compound describes the elements the compound contains and the -
answerthe ratio of elements in a compound
What is the symbol for the hydroxyl ion - answerOH-
The Tympanic membranes are also known as the - answerEar drum
Which of the following actions produce a chemical change - answeradding salt to the hot water
Choking is prevented by the - answerEpiglottis
A perpetual-motion machine can never be built because it is not possible to eliminate - answerelasticity
, Which of the following is a renewable source - answer
When scientist measures a liquid's resistance to flow, they are measuring the liquids - answerViscosity
Regeneration in man is limited to - answerHealing of wounds
How many atoms are in a single molecule of water (H2O) - answer2 atoms
A student bought a sandwich for 80 cents, milk for 20 cent and pie for 30 cents. How much did the meal
cost - answer$1.30
A radar is designed to report the track is an aircraft every semiconductor. If the radar reports 30 tracks
in one minute, what percentage of time did the radar track the aircraft? - answer50%
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? - answer$5.00
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? - answer176 sq ft
If the perimeter of a square garden is 84 feet, what is the area of the garden - answer441 sq ft
How many feet of chain fence are necessary to enclose a dog pen that is square and has an area of 64
square feet - answer32