15. which of the following do scientists think is responsible for climate change?
nitrogen
smog
acid rain
carbon dioxide.
16. the goals of biodiversity conservation include all of the following except.
protecting individual species.
introducing exotic species into new environments.
preserving habitats and ecosystems.
making sure local people benefit from conservation efforts.
17. humans can cause an ecosystem to collapse by
collecting and chemically altering industrial waste to detoxify it.
reducing habitat fragmentation.
hunting a keystone species to extinction.
building shelter belts next to farm fields.

The causes of the failure of the league of nations

City 24-hr average yearly temperature in ºc total yearly precipitation in mm minsk, belarus (former ussr) (53° n, 27° e) shanghai, china (31° n, 121° e) baltimore city, usa (39° n, 76° w) helsinki, finland (60° n, 24° e) banff, canada (51° n, 115° w) kuala lumpur, malaysia (3° n 101° e) 26.5 2393.6 buenos aires, argentina (34° s, 58° w) jakarta, indonesia (6° s, 106° e) questions 1. what factor contributes most to the warm climate of kuala lumpur? 2. banff and minsk are located at similar latitudes. what could account for banff’s average yearly temperature being lower than minsk’s? 3. which city’s climate is most similar to jakarta, baltimore or kuala lumpur? explain your answer. 4. shanghai and buenos aires have located thousands of miles apart and in different hemispheres, yet their climates are similar. what reasoning could explain this?

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?