Consider the substancesN2O5, H2, CH4, H2O, KCI, and O2. Is it possible to tell just from the symbols and the numbers which are elements and which are compounds? Explain?

Warmer ocean surface water would most likely be found near

Biology students used raw eggs in an experiment on tonicity and osmosis. the students put their eggs into vinegar to remove the shells. the vinegar was used to remove the shell from the raw egg. what other effect(s) did the vinegar have on the egg?

Npiranha, fish with large teeth represent the dominant trait. because the dominant trait masks the recessive trait, in a population of 1,000 piranhas, all with large teeth, we could expect about the next generation of fish to have small teeth.