Question 2 To investigate a possible relationship between two factors, such as acidity and solubility, you must first identity the
variables involved in the experiment. Identify the independent variable, the dependent variable, and any possible
confounding variables within this experiment.

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis. b. the primary role of microbes on the planet involves causing disease in animals and humans. c. microbes produce vitamins in the intestines. d. microbes play a role in breaking down waste and decomposing dead organisms.

What causes darkening of the skin as melanin production increases

What noticeable trend from this graph might be used to make a conclusion?