The density of copper is 8.92 g/cm3 . A rectangular block of copper is depicted below. Calculate the mass of the copper block in kilograms.

Which of the following describes a situation where competition between producers exists

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

How do dying stars contribute to the formation of planets