Plants that produce a three-carbon compound during photosynthesis, including most trees and agricultural crops such as rice, wheat, soybeans, potatoes and vegetables.
Plants, mainly of tropical origin, that produce a four-carbon compound during photosynthesis, including many grasses and the agriculturally important crops maize, sugar cane, millet and sorghum
Calorie is defined as an energy measure unit. 1 calorie is the amount of energy required to heat 1 gram of water from 14.5 to 15.5°C. 1 cal = 4.184 Joule (notation that a food calorie abbreviated Cal, is actually a kilocalorie. 1 Cal = 4.184 kJ). Read more