(1 mark) c Calculate the M. of CO2 and use it to calculate the mass of CO2 produced when 1 kg (1000 g) of CaCO3 is heated. (1 mark) (A, values: Ca = 40, O = 16, C = 12)

Determine the reaction and balance the following equations urgent due in the morning

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?