Phase changes do not change mass, and melting is a phase change. Given these facts, what does not change during melting among the following options: - Solid - Density - energy - vapors - O3 - fats - Mass - Sublimation
Mass

DNA contains genetic instructions for proteins, and RNA helps assemble the proteins, and dNA is the genetic material of cells. Given these facts, what contains genetic instructions among the following options: - cells - cows - Oak - embryos - pollen - Flowers - seeds - legumes
cells

Atelephone is used for communication by humans over long distances, and communication is essential if a relationship is to last the distance. Given these facts, what do telephones allow among the following options: - consumer-grade invisibility - animal transport - flow of electrons - electromagnetic energy - A transportation fuel - magic - relationships to last distance - instant transfer of matter
relationships to last distance

Bivalves feed on plankton and nonliving organic matter, and mussels are bivalve mollusks. Given these facts, what feeds on nonliving organic matter among the following options: - rabbit - crocodiles - mussels - oxygen - skateboard - barnacles - trucks - fungi
mussels