Which of the following is an appropriate problem statement for a science experiment?

a. what is the effect of microplastic on the digestion processes of small fish?
b. the effect of microplastic on the gut of small fish is unknown to humans.
c. what is microplastic?
d. microplastic causes problems for coral reefs and we want to know exactly what problems are caused.

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?

Nucleic acids offer variability because they contain alternate forms of genes called .