Energy is used to transfer water from the treatment plant via a water pump to the elevated storage tank in order to supply clean drinking water to people in the area. In order to use less energy and increase pump efficiency what can be done? A)reduce horsepower of the pump
B)decrease viscosity of the water
C)increase viscosity of the water
D)increase the length of the pipe between the water plant and the elevated storage tank

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics