Answer: A buffer is a chemical substance that helps maintain a relatively constant pH in a solution, even in the face of addition of acids or bases. Buffering is important in living systems as a means of maintaining a fairly constant internal environment, also known as homeostasis.
Explanation: I know that because I got it off of goggle
Answer:
more train cars
Explanation:
because if I had more train cars I could put both the cooler and the heater on the train.
Hope this helps :)
Answer:
i belive it is A
Explanation:
i am not at all positive so dont come at me but hopefully this helps
Answer:
3 atoms
Explanation:
Copper atom, zinc atom and tin atom
If you look at site 23 of the chromosomes, you can see whether the person is male of female:
Male: XY
Female: XX