The environment:
greenhouse effect, acid rain, global warming, carbon dioxide, burning fossil, exhaust
fumes, deforestation, nitrogen oxide, smog, climate, pollution, temperature, power
plants, landfill, cattle, wind turbine, soar power, hydroelectric power, renewable,
source of energy, reliable, solar panels, environmentally friendly, oxygen, chemical-
free, desert, degradation, vegetation, sea level, ocean currents, soil conditioner, coal,
fossil fuels, firewood, drought, contaminate
The animal kingdom:
birds of prey, seabirds, poultry and game, mammals, cetacean, whale, primates,
rodents, fish, amphibian, reptile, insects, octopus, phylum, class, order, family, genus,
species, livestock, creature, lion, penguin
Plants:
mushroom, fungus, leaves, seed, core, bark, trunk, twig, branch, flower, stem, roots,
cluster, fertilizer
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