Tüplü dalgıçlar suyun altında altın paralar, antik kalıntılar, soyu tükenmiş hayvanların kalıntıları dahil birçok ilginç şeyler buldu. - Scuba divers have found many interesting things under water including gold coins, ancient ruins, and fossils of extinct animals.
A fossil is the hard remains of a prehistoric animal or plant that are found inside a rock. Remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in the Earth's crust. The data recorded in fossils, known as the fossil record, constitute the primary source of information about the history of life on the Earth. Only a small fraction of ancient organisms are preserved as fossils, and usually only organisms that have a solid skeleton or shell. A shell or bone that is buried quickly after deposition may retain organic tissue, though it becomes petrified (converted to a stony substance) over time. Unaltered hard parts, such as the shells of clams, are relatively common in sedimentary rocks. The soft parts of animals or plants are rarely preserved. The embedding of insects in amber and the preservation of mammoths in ice are rare but striking examples of the fossil preservation of soft tissues. Traces of organisms may also occur as tracks, trails, or even borings. Agate Fossil Beds National Monument fossil fuel John Day Fossil Beds National Monument
The remains and traces of ancient plants and animals that have been transformed into stone over millions of years
Solid, liquid or gaseous fuels formed in the ground after millions of years by chemical and physical changes in plant and animal residues under high temperature and pressure Oil, natural gas and coal are fossil fuels
fuel, such as coal, oil, and natural gas, formed from the fossilized remains of plants that lived hundreds of millions of years ago free port port or sometimes a zone within a port, where cargo may be accepted for handling, processing, and reshipment without the imposition of tariffs or taxes Free ports are established to take advantage of a location with good trade links freeze-thaw form of physical weathering, common in mountains and glacial environments, caused by the expansion of water as it freezes Water in a crack freezes and expands in volume by 9% as it turns to ice This expansion exerts great pressure on the rock, causing the crack to enlarge After many cycles of freeze-thaw, rock fragments may break off to form scree slopes
Carbon based remains of organic matter that has been geologically transformed into coal, oil and natural gas Combustion of these substances releases large amounts of energy Currently, humans are using fossil fuels to supply much of their energy needs
A general term for buried combustible geologic deposits of organic materials, formed from decayed plants and animals that have been converted to crude oil, coal, natural gas, or heavy oils by exposure to heat and pressure in the earth's crust over hundreds of millions of years
fossil fuels (coal, oil, and natural gas) make up the biggest part of our sources of energy They are called fossil fuels because they were formed over millions of years from dinosaur bodies and from prehistoric plants When fossil fuels are burned, they produce pollution Also, it takes a long time to form new fossil fuels - millions of years - and we're using up the existing ones before new ones can form (Back to Ozone Action! Days)
Fossil fuel is fuel such as coal or oil that is formed from the decayed remains of plants or animals. A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel. a fuel such as coal or oil that is produced by the very gradual decaying of animals or plants over millions of years. Any of a class of materials of biologic origin occurring within the Earth's crust that can be used as a source of energy. Fossil fuels include coal, petroleum, and natural gas. They all contain carbon and were formed as a result of geologic processes acting on the remains of (mostly) plants and animals that lived and died hundreds of millions of years ago. All fossil fuels can be burned to provide heat, which may be used directly, as in home heating, or to produce steam to drive a generator for the production of electricity. Fossil fuels supply nearly 90% of all the energy used by industrially developed nations
A combustible solid, liquid, or gaseous material, rich in carbon, formed from the remains of plants and animals Common fossil fuels include coal, natural gas, and derivatives of petroleum such as fuel oil and gasoline
is any hydrocarbon deposit that can be burned for heat or power such as coal, oil or natural gas Fossil fuels are formed from the decomposition of ancient animal and plant remains A major concern is that they emit carbon dioxide into the atmosphere when burnt, a major contributor to the enhanced greenhouse effect
A fossil formed when an animal, plant, or other organism dies, its flesh decays and bones deteriorate due to chemical reactions; minerals gradually enter into the cavity, resulting in a cast, also called a mold fossil, which is in the general form of the original organism
A fossil formed when an animal, plant, or other organism dies and is covered by sediment, its flesh decays and bones deteriorate due to chemical reactions, and a cavity remains below the ground surface; the cavity's interior surface is an impression in the general form of the original organism's exterior surface
A type of fossil reflecting the reworking of sediments and hard substrates by organisms, rather than the physical remains of the organism itself. This includes structures such as burrows, trails, impressions, coprolites and borings
Natural "depository" of an extinct animal community on the Niobrara River, northwestern Nebraska, U.S. The beds, laid down as sedimentary deposits 20 million years ago, bear the remains of prehistoric mammals. Discovered 1878, the site was named for its proximity to rock formations containing agates. A national monument since 1965, it covers 2,269 acres (918 hectares)
National monument, north-central Oregon, U.S. With an area of 14,014 acres (5,676 hectares), it is located along the John Day River (named after a Virginian scout of the 1811 Astor overland expedition). Fossils more than 30 million years old provide a paleontological record of five epochs of the Cenozoic Era
Most L2 learners fail to reach target language competence They stop learning when their internalized rule system contains rules difference from those of the target language This is referred to as 'fossilization'
Numerous fossils, most of which are the remains of ancient sea creatures can be found in the rock layers that comprise the Grand Canyon Among these fossils are brachiopods, crinoids, trilobites and nautiloids
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