The yellow leaf was not exposed to the sun so it can't produce sugar.
Explanation:
The yellow region of the leaf didn't produce sugar because it wasn't exposed to sunlight. Part of the leaf was exposed to the sun, thus this leaf produced sugar, while the yellow part of the leaf did not because it was not exposed to the sunlight.
no because he wouldn't live long enough to survive because ti would take like a hundred to a thousands of year to reach there because there r about 9.7 million kilometers in a light year