Las bacterias tienen vida propia?

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Anybody know this. a haplontic cycle animal initially reproduces by: mitosis binary fission isogamous fertilization meiosis

Ruby is conducting an investigation. an advantage of her design is that she can use a large range of variables, with that she can not be sure that one variable is the cause of another. what kind of investigation is ruby most likely conducting?