Answer:
The polar climate regions are characterized by a lack of warm summers but with varying winters. Every month in a polar climate has an average temperature of less than 10 °C (50 °F). Regions with polar climate cover more than 20% of the Earth's area.
The correct answer is A. Bighorn sheep
The bighorn sheep (Ovis canadensis) is a species of sheep native to North America named for its large horns. These horns can weigh up to 14 kg (30 lb), while the sheep themselves weigh up to 140 kg (300 lb).
Answer:
Answer is C, decision making based on testable ideas
Explanation:
Politicians encourage decisions making based on human opinions
Answer: Option (C)
Explanation: Hydro-fracking is a process by which the natural gas can be taken out by drilling down into the earth before injecting a high pressure fluid or a water-mixture. It is an efficient and a cheaper method and but sometimes oil seeps through the fractures, which could probably harm the environment.
Thus the correct answer is option (C).
Answer:
D
Explanation:
The reason that Antarctica is unclaimed is due to the Antarctic treaty signed by 12 developed nation in 1956 (and since then 38 nations) which states that no nation can claim the region. This treaty was aimed at protecting the continent’s ecozone (from military operations and mineral exploitation, etc) that is essential or the planet. Due to the harsh environment on the continent, it is also inhabitable and is more or less unoccupied.