How can you distinguish between a chemical change and a physical change?

The sum of two or more vectors is called a vector. Answer kere

All compounds are made of A.) atoms of two or more elements B.) two or more atoms of the same element C.) atoms arranged in a crystal D.) atoms joined by covalent bonds I think its D.) but im not sure.!

What is the kinetic energy of a 2,000-kilogram boat moving at 5 m/sec?

Jamal blasts an air-horn to start a race. Lewis hears the horn from his house 274 meters away. Given that sound travels through air at 340 m/s, how long did it take the sound to travel from Jamal to Lewis? 440 s 0.81 s 1.2 s 66 s

Which is an example of a mixture made of parts that can easily be separated?

What units must be used to express the temperature in the equation for the ideal gas law? explain?

Which region of the Sun is typically about 6,000 C?

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?