The answer above is completely incorrect. The correct answer is an experiment since we are talking about the scientific method and the order of that process is observation, hypothesis, experiment, and theory.
5098000=5.089 times 10^6=
the answer is
The formation of protobionts that use DNA to direct the polymerization of amino acids have not yet been researched by scientist in order to learn about the origins of life on Earth
The correct answer is B combustion.
Lavoisier’s oxygen theory of combustion was one of his most notable contribution to science and earned him the title of the “father of modern chemistry”. He recognized the combustible property of oxygen and that phosphorus and other metallic elements increased in terms of weight when burned.
As you talk in animals
nucleus/ plasma membrane / mitochondria
if you talk in plants
nucleus / the cell / plastid / mitochondria
