Scientists have found y containing fossilized cyanobacteria (blue-green algae). They show that life has been present on the
Earth from early ages. Oparin and Haldane were two scientists who hypothesized that life needed reducing environments Initially to
appear. The ocean in the early ages was
(devoid of oxygen) and acidic.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

mark brainliest and have a great day!

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.