Answer:
a. pepsin
Explanation:
it has a 1 to 2 level which is acidic because anything lower than 7 is acidic
Answer:
Chloroplasts are the site of photosynthesis in the cell and it also consists of a double membrane. it relates to the solar panels of an amusement park because both things take energy from the sun and use it to provide energy for their systems.
Stop using plastic straws, use paper bags, use reusable water bottles, recycle, use metal silverware
That they once were the same but due to genetic mutation, have changed
