Answer:
Deposits of coal in Antarctica are evidence of continental drift. The fossilized plants in these deposits show that Antarctica was once near the equator.
Explanation:
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Answer:
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Explanation:
Humans use the Earth's natural resources for a number of purposes, including: energy and fuels for warmth. building materials for shelter. fuels for transport. Earth is the home planet, right for life. But rights, a notable political category, is, unfortunately, a biologically awkward word. Humans, nonetheless, have rights to a natural environment with integrity. Humans have responsibilities to respect values in fauna and flora. Appropriate survival units include species populations and ecosystems. Increasingly the ultimate survival unit isgloba l; and humans have a responsibility to the planet Earth. Human political systems are not well suited to protect life atglobal ranges. National boundaries ignore important ecologicalprocesses ; national policies do not favor an equitable distribution of sustainable resources. But there are signs of hope.
Answer: two solar eclipses separated by one Saros cycle will have the same geometric characteristics (they will both be total, or partial or annular).
A Saros is a period of time of about 18 years 11 days and 8 hours and represents the time needed for the system composed by Moon, Earth, and Sun to return to its initial position.
Indeed, this is due to a natural harmony of the Moon’s motion: it takes 29.53 days to complete one orbit around Earth (Synodic Month), it takes 27.21 days to pass from the same node of its orbit (Draconic Month) and it takes 27.55 days to go from perigee to perigee (Anomalistic Month); the composition of these three motions gives one Saros of around 6585.3 days, composed by 223 Synodic Months, 239 Anomalistic Months and 242 Draconic Months (with a precision of few hours).
It has been observed that after one Saros cycle Moon, Earth and Sun are in the same initial position, therefore an eclipse occurring on day 1 of two consecutive Soros cycles would have the same geometric characteristics, which means that one Saros can be considered the periodicity of solar and lunar eclipses.
Due to the fact that a Saros is not composed by a whole number of days (we have a remainder of 8 hours), the two eclipses won’t be visible from the same location on Earth due to the rotation around its axis. It takes about 3 Soros for this to happen.
Answer:
Thermal (Heat) Energy. Thermal energy is created from the vibration of atoms...
Chemical Energy. Chemical energy is stored in the bonds of atoms and molecules – it is the energy...
Nuclear Energy. Nuclear energy is stored in the nucleus of atoms.
Explanation:
The heaviest elements settled in the Earth's center during the formation of Earth's lithosphere
<u>Explanation:</u>
Earth's lithosphere comprises the crust and the uppermost mantle, which form the strong and rigid external layer of the Earth.
The Earth, on the other hand, begins with a core of iron and radioactive materials such as uranium and plutonium, which deliver energy in the form of heat, within a process known as nuclear fission. It passed by a fusion stage - a "liquid-pasty" state - which provided that, due to gravity, the more solid materials dropped towards the center, while the smaller ones floated towards the crust, a process called planetary differentiation.
