Answer:
Agricultural revolution, start of Neolithic era, maybe 12000 yrs ago
Explanation:
Do you have a conversion sheet? If not, go ahead an google one and reply to this comment so I can teach you how to convert quarts into liters step by step.
Yes, plants are absolutely alive. They may not be conscious, sentiment beings, but they still perform cellular respiration, make waste products, and generate biomass (get bigger).
Hope this helps.
