When there is not enough oxygen for cells to use cellular respiration<span />
Answer:
A cell carries out all the processes of the body which includes producing energy and storing it, making proteins which are molecules which have roles in metabolism, transportation of other molecules and DNA replication.
This is (b.) False, because it was actually introduced in the 1930's.
Because skin falls off, or are you talking bout why don't people stick together?
Answer:
a topic that interests you and you have read about it. The information should be used to derive possible answers to what you would like to research on. It can also be found in books from the library and online. Pick a topic that you’d like to know more about. Selecting an interesting topic helps you to generate hypothesis before the study. For example, choose a topic like, why is the percentage of obese women is larger than that of men? This is a topic that may raise a discussion, and the literature of this information will vary. The information in books written by different people will be different.
Explanation: