A plant leaf appears to be green because it

examrobotsa's picture
Q: 12 (SCRA/2012)
A plant leaf appears to be green because it

question_subject: 

Science

question_exam: 

SCRA

stats: 

0,34,38,15,14,34,9

keywords: 

{'plant leaf': [0, 0, 0, 1], 'green light': [1, 0, 0, 0], 'yellow light': [0, 0, 1, 2], 'blue light': [1, 0, 4, 2]}