What is another way that organic molecules might have arrived on earth?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give

3differences between bacteria and other 2 cells