On early Earth, what was referred to as the "primordial soup"? A. The mixture of gasses in the early Earth's atmosphere. B. The combination of organic compounds in warm salty water. C. The first forms of life.

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis