Which of these least useful property for idenifying gold
a .smell
b. luster
c. density
d. hardness

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

What is the volume of a book that has a width of 10 cm a length that is 2 times the width and a height that is half they would remember to express your answer in keeping units

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form