Annie starts from rest and speeds up to a velocity of 3m/s northeast over a period of 6 seconds. What is her average acceleration? Show your work.

What is the mass of each element in a 324.8 sample of co2

What is a metal replacement reaction

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand