Peptones and beef extract
MacConkey agar is a selective and differential culture medium for bacteria designed for isolation of Gram negative and usually enteric bacilli, based on their ability to ferment lactose. It contains bile salts, crystal violet, neutral red dye. There are many variations of MacConkey agar depending on the need. This medium was developed by Alfred Theodore MacConkey. This agar can distinguish gram negative bacterias that can ferment. This is known as the indicator medium.
With less oxygen there is less carbon dioxide being produced for the plants so photosynthesis decreases.
Answer:There are more than one process such as erosion. Erosion is the main one because it gives the mountains the shapes that they have.
Explanation:
that is my answer
Meiosis.
Meiosis results in four cells of the original, each with a halved amount of chromosomes, you could say.