Answer:
All of these environmental disturbances use such energy present within the ecosystem to survive and reproduce. In order to conserve the health of the environment, the best thing that can be done is finding ways to reuse the energy as much as we can such as recycling cardboards or tin cans. Other ways would be to lower use of carbon emitting cars and have more conservation awareness.
a scale-model mound made of the same materials that make the real hill
Fossils only form if certain qualifications are met, and some organisms cannot meet them, so they just cease to exist, not a single sign of them. This could happen if they were organisms that decayed completely. Fossilization can include freezing, drying, and encasement, usually in tar or resin.
The positively charged particle located at the center of an atom is the proton.
Think <em>p </em> in <em>p</em>roton and <em>p</em>ositive. Neutrons are also located in the nucleus of an atom, but they have a neutral charge (<em>neu</em>tron and <em>neu</em>tral).
Hope this helps!!