Most nonmetals form covalent or ionic bonds, depending on the element with which they react. carbon predominantly forms covalent bonds since it has 4 valence electrons and can form single, double or triple bonds with other elements. what element will form an ionic bond with carbon? a) calcium eliminate b) hydrogen c) neon

when atmosphere interacts with biosphere they focuses on on the sources and sinks of green house gases (ghgs) air pollutants, particular matters, water and energy between the earth's surface and the atmosphere. the biosphere affects the climate. the atmosphere and biosphere are in constant interaction with each other, and all living things rely on gases in the atmosphere for life. organisms such as animals take in oxygen gas form the atmosphere to use in every cell of their body for smooth functioning of daily routine exercises.

let that person have a turn to speak : )