1) Cows have best friends and can become stressed if they are separated.

2) The corpse flower, or titan arum, is known for its unpleasant smell, often compared to that of rotting flesh.

3) Many mountains have cultural and spiritual significance for local communities and are often considered sacred or revered in religious traditions.

4) The study of fossils is called paleontology, and it helps us understand the history of life on Earth and the process of evolution.