Which of the following describes how the mid Atlantic ridge formed on earth at a divergent plate boundary. A Plates move in closer
B Plates slid past each other
C Plates moved with each other in the same direction
D Plates moved apart
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Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.

What are the similarities between compounds and mixtures?