Is cutting grass of physical change or chemical change

As the amount of charge on two objects increases, the strength of the electrical force between the objects O increases O decreases. O varies O remains the same

What process causes earths surface to warm?

Some polymers are elastic because they are made of a. carbon. c. sugar and alcohol. b. phosphate ladders. d. cross-linked chains.

What is the oral dose of aluminum hydroxide for an adult being treated for hyperacidity? What is the oral dose of aluminum hydroxide for an adult being treated for hyperacidity?

What is the nuclear symbol for the isotope of bromine?

If a sample of gas occupies 400 ml at a pressure of 800 mm Hg, what will be it's volume if the pressure is reduced to 700 mm Hg

Why are water storage tanks usually built on towers or hilltops?

What is convection cell

One example of a decomposition reaction is the electrolysis of water. the chemical reaction can be expressed by the equation 2 h2o →2 h2 o2. the reactant (s) of this chemical reaction is/are?

When the positive ion of one compound replaces the positive ion of another compound?