The first one is already, and the second one is allowed.
The first direct evidence of primitive cellular life was the 1977 discovery of <u>microbial </u>fossils in the swartkoppie chert, a type of granular sedimentary rock rich in silica.
Some of Earth's high-quality-preserved fossil microorganisms occur in rocks from the Ediacaran period of geologic time, which runs from about 635 to 541 million years ago. Scientists do not absolutely apprehend how this fragile microorganism became fossils. however, a new experimental look at is now dropping more mild.
Some microorganisms secrete iron-coated sheaths that on occasion fossilize. Others may additionally bore into shells or rocks and shape microscopic canals in the shell; such microorganisms are referred to as endolithic, and their borings can be identified at some point of the Phanerozoic.
The earliest regarded fossils on the planet are putative fossilized microorganisms determined in hydrothermal vent precipitates, taken into consideration to be about three.42 billion years old.
Learn more about fossils here: brainly.com/question/11829803
#SPJ4
Answer:
People also ask
What are the aims of the triangle of care?
The Triangle of Care describes a therapeutic relationship between the person with dementia (patient), staff member and carer that promotes safety, supports communication and sustains wellbeing.
The most important effect of the annexation of the Mexican cession was the increase of the United States by size. Some of the surrendered territories were California, Utah, Nevada, most of Arizona, half of New Mexico, a quarter of Colorado and a small porting of Wyoming.
Stanley Milgram showed that individuals will cause other individuals harm if ordered by others and if they don't have a direct contact with those other people, but are separated by technology.
In his experiment, people thought they are applying electric shocks to other participant under the orders of the experimenters and most of the participants did not refuse to administer those shocks.