题目Hidden beneath the ocean waters and often(1) called(call) the "rainforests of the sea", coral reefs(珊瑚礁)are some of the most diverse ecosystems on Earth, with perhaps one-quarter of all ocean species relying on reefs for(2) survival(survive). Being home to countless...
However, several other routes can produce different types of biofuels and provide an opportunity to reduce fossil-derived energy demand and GHG emissions. Biofuel from algae is one of the most attractive ones, considering the GHG emissions and biofuel production per acre of land [13]. Life cycle...