A âtestamentary trustâ is established at death, usually by including trust provisions in the decedentâs Last Will and Testament. Trusts created during the settlorâs life can be ârevocableâ â that means the entire arrangement can be terminated by the settlor.
Home Â» Tutorials Â» The Origins of Life Â» Origins of Life on Earth. Although Earth was created around 4.5 billion years ago, life began to exist not long after. Due to the huge timescales involved, there is inconclusive evidence for exact dates, but nonetheless, the eagerness of life to exist was apparent from the beginning.
The earliest evidences for life on Earth are 3.8 billion-year-old biogenic hematite in a banded iron formation of the Nuvvuagittuq Greenstone Belt in Canada, graphite 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.