Passive (present tense) The process of photosynthesis
1 has been understood (learn/
understand) since the 1800s: sugar
2 (produce/capture) in plants
using water, carbon dioxide and
the sun's energy. Water 3
(pump/take in) by the roots of the
plant. Light energy 4 (capture/
make) by chlorophyll in the plant's
leaves. During this process oxygen
5 — (stay/give off) into the air.
The sugar that 6 (produce/use)
7 - (go/change) into starch (food
substance found in potatoes, flour,
rice, etc.) that 8 (distribute/
store) in the plant.

Няшка1love    2   15.12.2020 14:34    4