How does the property of water contribute to drinking water contamination

there can be many sources of contamination of our water systems.the most common sources of contaminants include naturally occurring chemical and minerals.example arsenic, redon, uranium etc local land use practices example pesticides, fertilizer

a polar bond is formed when electrons are shared unevenly between atoms

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

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(jacemorris04)