What is responsible for the unusual ecosystem of the highlands? 1. Animals and animal activity. 2. Humans and human movements. 3. Volcanoes and volcanic activity 4. Rivers and river movements

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.

Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.