❣how do scientists use ice to study ancient climates? a. through glacial deposits and ice cores b. through glacial deposits and ice ages c. through ice cores and pollen grains d. through pollen grains and ice ages which greenhouse gas is produced by commercial refrigeration and air conditioning systems? a. carbon dioxide b. fluorinated gas c. nitrous oxide d. methane

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic