Question

Check my answers:

Answer 1

@Michele_Laino

Answer 2

I think that also the option "bacteria" has to be included in the third and fourth questions

Answer 3

ok but the only issue is that only 3 can be selected in each third and fourth question

Answer 4

so for the third one you think area, bacteria and ?

Answer 5

for third question I think taht the right option are:
-area
-bacteria
-mass
Sorry volume can not be modeled by a power model

Answer 6

for fourth option I choose:
-area
-bacteria
-mass