Marissa did an experiment with balls bearings in a bottle to show the movement of particles in solids, liquids, gases the experiment set up is shown below What should Marissa do to represent the movement of the particles?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere