What is the acceleration of gravity if the force is 390000 n abd the mass is 9000 kg (also what formula do you use for this? )

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)

Which of the following statements are incorrect?