Answer:
Biotic community
Explanation:
Definition of biotic :living organisms in the ecosystem .Example Frog,fish,and etc.
Definition of Abiotic: Nonliving things in the ecosystem. Examples wind,water,and etc.
Two minerals that exhibit fracture as a dominate form of breakage are quartz and olivine. <span />
Some objects in space are created from clouds of gas and dust. A star forms when the mass of the dust cloud is large and has enough hydrogen to start creating a protostar and sustain the nuclear fusion reaction within the core of the protostar. If the dust cloud is not dense enough, then the star formation does not take place, rather a nebula is formed, example the Horse-head nebula. So the answer is (B) A star will not form.