(DESPERATE WILL GIVE BRAINLIST AND THANKS PLZ HURRY) Where do scientist hypothesize the first living things originated?

A. Water vapor from volcanoes

B. Chemicals in a “primordial soup” on earth’s surface

C. Oxygen that formed through photosynthesis

D. From comets or asteroids that collided with earth

A.

Explanation: The earliest known life-forms are putative fossilized microorganisms, found in hydrothermal vent precipitates. A hydrothermal vent is a fissure on the seafloor from which geothermally heated water discharges. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart at spreading centers, ocean basins, and hotspots.

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