Differentiate bw jellyfish and hydra

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

Why is the limitations on supplies of freshwater becoming an increasing problem despite the fact that we have desalination technologies