70 ml of liquid (density = 0.85 g/ml) is added to a graduated cylinder that has a mass of 60.75 g. what is the mass of the cylinder plus the liquid?

What are the similarities of physical and chemical change ?

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?