PICAT study guide 2024 with Complete Solutions.

PICAT study guide 2024 Which of these is the best explanation of how a smooth round stone became smooth? - It was in a stream for a long When a lobster grows a claw to replace one that was lost, the process is called - regeneration. Any astronomical body that revolves around a larger 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 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? - Н30 Which of the following is a renewable resource? - natural gas How many atoms are in a single molecule of water (H20)? - 3 Regeneration in man is limited to - healing of wounds. When scientists measure a liquid's resistance to flow, they are measuring the liquid's - viscosity. When sodium atoms form sodium ions, they - lose electrons. A perpetual-motion machine can never be built because it is not possible to eliminate - inertia, A human skin cell divides by - mitosis. The filament in an electric light bulb is made from - tungsten. Terry earns a $250 salary plus $5 per sale. How many sales must Terry make to earn $765 altogether? - 103 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? - $5.00 How many feet of chain fence are necessary to enclose a dog pen that is square and has an area of 64 square feet? - 32 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 sq ft A train goes twice as fast downhill as it can go uphill, and 2/3 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 on flat land? - 1/2 hour