which of these is the best explanation of how a smooth round stone become smooth - ANSWER-
Any astronomical body that revolves around a larger body is
... [Show More] called - ANSWER-
If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? - ANSWER
Which element does not contain any neutrons? - ANSWER-
How many atoms are in a single molecule of water (H2O) - ANSWER-
Argon and Neon are..? - ANSWER-
Processes of the water cycle - ANSWER-
in a balanced ecosystem, which of the following would have the greatest population? - ANSWER
water droplets - ANSWER-
Friction is the force that - ANSWER-
Which of the following reproduce by spawning? - ANSWER
To test the effectiveness of plant fertilizer, groups of plants are grown with different types of fertilizer. A control group of plants would? - ANSWER-
When scientists measure a liquids resistance to flow, they are measuring the liquids - ANSWER-
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? - ANSWER-
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-
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? - ANSWER-
How many feet of chain fence are necessary to enclose a dog pen that is square and has an area of 64 sq feet? - ANSWER
A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 120 miles per hour downhill, how long will it take to travel 45 miles per flat land? - ANSWER-
The pet store had six puppies selling for 104 each and twelve kittens selling for 24 each. Today, only two puppies and eight kittens were left. In dollar terms, what was the ratio of sales of puppies to kittens?
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