John’s grandparents make wine for special occasions. They add a pinch of yeast to crushed grapes. Over time, this action releases carbon dioxide, and the result is a homemade wine. What chemical process do the grapes undergo? A.
alcoholic fermentation
B.
cellular respiration
C.
photosynthesis
D.
preservation
E.
ripening

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

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