If you were in a spaceship and fired a cannonball into space, how much force would
have to be exerted on the ball to keep it moving after it has left the spaceship?

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Fred is studying a substance that is made out of only one element. this means that