Can someone please explain to me how I’m supposed to figure out the element with these configurations??

Which of the following is most likely true about water in chemical solutions?

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

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.