geography paper 3

Across

• 1. low to no carbon emissions lowers contribution to global warming (8, 2, 10)
• 4. deal with very temperatures a very short growing season and low nutirent soils (5, 6)
• 5. why protect the taiga (10, 3, 5)
• 7. canada has the wordls largest deposis of tar sands, a type of oil (12, 5)
• 8. energy use (6, 2, 6)
• 9. biotic - the livingcomponents of an ecosystemL the plants (flora) and the animals (fauna) (5, 7)
• 10. was that it was impossible to increase food production as rapidly as population growth, therefore if a population was allowed to grow too much it was inevitable that food supply would run out and famine would result, reducing the population size (7, 6)