A membrane that allows only some materials to move in and out of the cell is B. Semipermeable.
Answer: It is a selective and differential medium.
Explanation: Selective medium is used to select the growth of certain bacteria whilst inhibiting the growth of another by preparing a medium with ingredients that will only select a specific growth of intended microbe. When closely related bacteria had been selected, they can further be differentiated by the way they utilize the medium. In this case staphylococcus aureus was first selected using sodium chloride with which only this bacteria can tolerate i.e halophilic (strives in salty environment). It was also further differentiated by its ability to ferment sugars changing the colour of the pH indicator chemical.
The company is a little bit better than a regular basis and the food was Avery but it was not
I think this help <span> the axis of symmetry is a line that divides a planar figure into two congurent reflected halves</span>
B and a. because you want to know where it will most likely be located. i say b because if there are some waves already present then thats a good spot. i say a because waves just dont happen with any kind of weather they kinda speacial so they need speacial weather find a area with a good moist windy climate you should catch some waves ''''totally''''