An atom is the most unit of living and nonliving things. ( i will mark brainliest if ya , and the first one to )
a) basic
b) complex
c) interesting
d) sizeable

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

List four observations that indicate that a chemical reaction may be taking place