Which process adds carbon dioxide to Earth's atmosphere? O cellular respiration
O photosynthesis
O protein synthesis
O none of the above

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Adilute aqueous potassium nitrate solution is