Answer:Immediate threats to conservation of biodiversity
Answer:
Prime Meridian
Explanation:
The most important line of longitude is the Greenwich or Prime Meridian (0°). This line runs through the Greenwich Observatory in London.
Answer:
Mesosphere
Explanation:
The mesosphere starts at 31 miles (50 km) and extends to 53 miles (85 km) high. The top of the mesosphere, called the mesopause, is the coldest part of Earth's atmosphere, with temperatures averaging about minus 130 degrees F (minus 90 C).
