Which event is inferred by most scientists to be responsible for a climate change that has recently led to a decrease in the size of most glaciers

You know how the first one if filled up like the objects do the same but with the other categories

And a) oxygen i believe

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water

16- counting by fours