Can someone me with this? i dont need part a but can you guys fill out the blanks?

Why do cells appear different in distilled water than they do in 10% salt water?

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i