A student saw a bumper sticker with "Have you thanked a green plant today." This likely referred to ________.
A)without plants to cool the earth, life would have boiled away
B)without plants to produce oxygen, most organisms could not survive
C)without plants to produce firewood, humans would freeze to death
D)without plants to feed decomposers, the soil would be sterile

Question

Quizplus · Accepted Answer

Plants produce oxygen through photosynthesis, which is essential for the survival of most organisms on Earth.

A Student Saw a Bumper Sticker with "Have You Thanked