Answer:
carbon, hydrogen, nitrogen, and oxygen
Answer:
Modern Science is mainly constituted of three main branches, i.e. Natural Sciences, Social Sciences, and Formal Sciences as these three areas peruse upon the nature of our world and the universe in the broadest way. Thus, the three main branches of Science are: Natural Sciences. Social Sciences, and formal
The phases go prophase, metaphase, anaphase, and telophase starting with interphase. But the first stage would be Interphase.
Khan Academy is great! Also, Alison (it's a website) has some free courses as well.
