Which of the statements explains how an oxygen-rich atmosphere became possible on earth?

Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system

Ano anu ang mga guhit na makikita sa mapa o globo? ibigay ang kuhulugan ng bawat isa

Which is a mathematical statement consisting of a hypothesis and conclusion that has to be proven true? definition