The correct answer is option D
The places that has most extreme temperatures are desert and tundra.
The Desert region is known for its hot and dry climatic conditions. The temperature there is very high all around the year and the surviving there is a very difficult task. The plants and animals living there has some adaptations that helps them to live in the hot climate.
The Tundra region is known for its cold climate and the plants there is shrubs, herbs and the animals have some adaptations that helps them to live in cold climate.
The examination or observation of one's own mental and emotional processes.
"quiet introspection can be extremely valuable"
Nsnhshshshhshshshshhshshshshshhsh
Helium is an element with an atomic number of 2 which means that it has 2 protons in its core. So if any atom has 2 protons in its core, they it's helium no matter what.
On the periodic table of elements which I have attached in the image provided, the whole numbers in the tile tell you the number of protons. So helium is a noble gas which is found in the top right of the periodic table and I have drawn an arrow the atomic number which is the number of protons.