Answer:
Ionic bonds form when atoms gain or lose electrons, because electrons are negatively charged an atom that loses one or more electrons will become positively charged. Ionic bonding is the attraction between negatively and positively charged electrons. Hope this helps :)
Gene mutations can be passed on to future generations and drive natural selection. ... Gene mutations can be helpful, harmful, or neutral for an organism's survival. Only mutations that are helpful in the organism's environment would influence its survival and reproduction
All matter that are called atoms, molecules, and ions which are tiny particles. they are always in motion either bumping into each other or vibrating back and fourth. the motion of the particles creates a form of energy called heat energy that is presented in all matter