Answer:
B is oldest because it is at the bottom which entails that it is the oldest.
Explanation:
The correct option for given statement is
D
I and II only
I. Enzymes are not consumed during a chemical reaction.
II. Enzymes are specific to particular molecules
Explanation:
Enzymes are biological molecules (typically proteins) that considerably speed up the speed of nearly all of the chemical reactions that turn up at intervals cells.They're necessary|important} always and serve a large vary of important functions within the body, like aiding in digestion and metabolism.
Advantages is we get power cheap to use we can get it easy, disadvantages really bad pollution not renewable and gonna run out soon
Since it has 4 protons, it must have an atomic number of 4. (That makes it beryllium.)
Since it has a 4 protons and 5 neutrons, it has a mass number of 9.
cheese, pork, salmon, milk