Answer:
C - gas and dust in a nebula is disturbed by an outside forces.
Explanation:
Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas called solar nebula.
The cloud of interstellar gas and dust consist of 98% hydrogen and helium and it also includes atoms and dust particles of larger materials.
Despite these similarities, prokaryotes and eukaryotes differ in a number of important ways. A prokaryote is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles.
Answer:
Phosphatidylcholine and phosphatidylserine
Explanation: