This is my research question: research question: what is the effect of running straight at different distances on the heart rate of boys and girls?

what can the controlled variables be?

there's the proffessional site that will you.

japan is the correct anwser because i already took the test and i passed it

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