Hey me : ) what is a possible ph of acid rain? 7.0 6.9 4.3 10.5

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

What natural processes produce large quantities of co2

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.