. In which type of ecosystem would fire most likely be a limiting factor for plant species?

2. how is heavy water different from normal water

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

What powdery mineral is a health hazard when airborne?