Answer:
The correct answer is the third statement.
Explanation:
This is because the first and last statements are completely incorrect as irrigation systems had to do with routing water from streams and lakes, into farms in order to hydrate plants. The second answer is technically correct in my opinion, because once flood season came farmers used irrigation lines to re-route water to reservoirs or other places besides their farms. Although, this was not the main purpose of irrigation systems.
Answer:
Option (B)
Explanation:
For an organism to get preserve and form fossil, the organism must be comprised of a hard part and they should be immediately buried by the sediments after their death. The body of the organism must be detached from the oxygenated environment so that the body does not get damaged.
Mudflats usually refers to the coastal wetland areas that are commonly formed in the inter-tidal zone. They are also considered as the tidal flats. These mudflats are comprised of fine sediments that are carried from other places and are rich in organic matter and there is low or absence of oxygen. This helps in the preservation of fossils.
For example, clams with calcite shells that lived on the mudflat are most likely to be preserved in geological history.
Hence, the correct answer is option (B).
OK so when I did this the answer was a and I got it right
Answer:
<em>They orbit the Sun.</em>
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Explanation:
Asteroids are small planetary bodies, too small to be classified as a planet. Asteroids are made up of rocky materials, and they orbit the sun. In our solar system, a vast number of asteroids exists together in the 'great asteroid belt' a region between the orbit of Mars and Jupiter. A comet is a ball of frozen gas, rocks and dusts, that travels around the sun in the solar system. Comets can be as big as a small town. When the orbit of a comet brings it close to the sun, it melts, leaving a trail of gas behind it. This trail of gas is the characteristic long tail of a wishing star seen in the sky in some clear night.
<em>The common property of a comet and an asteroid is that they both travel around the sun in the solar system, just like every other planetary body in the solar system.</em>
