Akathisia literally means inability to sit, and is a type of movement disorder in which the patient feels extreme inner restlessness along with a forcible need or desire to be in continuous motion by performing actions such as rocking backwards and forwards when sitting or standing, marching on the spot by lifting feet and also crossing and ...
The earliest evidence for life on Earth is graphite found to be a biogenic substance in 3.7 billion-year-old metasedimentary rocks discovered in western Greenland and microbial mat fossils found in 3.48 billion-year-old sandstone discovered in Western Australia.
Several lines of evidence indicate that life has been present for most of earth history. Hypotheses about lifeâs origins vary in terms of environmental context and whether metabolism or replication arose first in the earliest cells. Prokaryotic ecosystems dominated the first two billion years of life on earth.