Environmental Science
What is the official name of IUCN?

International Union for Conservation of Nature and Natural Resources
United Nations Educational, Scientific and Cultural Organization
World Wide Fund for Nature
United Nations Environment Programme

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans are above roughly:

75% of the air molecules in the atmosphere
10% of the air molecules in the atmosphere
25% of the air molecules in the atmosphere
50% of the air molecules in the atmosphere

ANSWER DOWNLOAD EXAMIANS APP