What are the answers please

in a word, a scientific question is testable. a testable question is one that asks about objects, organisms or events found in the world around it

answer; i believe the correct answer is ( proteins );

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602