Answer: After the hurricane, Galveston raised the elevation of many new buildings by more than 10 feet (3 meters). The city also built an extensive seawall to act as a buffer against future storms. Despite the reconstruction, the city's status as the premier shipping port was lost to Houston a few years after the disaster. Ike, however, is projected to head west on a path that will take it close to Hispaniola, Cuba, and the Florida Straits.”
Explanation:
Les systèmes fluviaux et les plaines inondables du Brésil, du Pérou, de l'Équateur, de la Colombie et du Venezuela, dont les eaux se déversent dans la Solimões et ses affluents, sont appelés "la haute Amazonie
Answer:
b. flat rotation curves in spiral galaxies
Explanation:
Dark matter accounts for majority of the matter in the universe (about 85%). It is considered to be composed of subatomic particles which are yet to be discovered. Dark matter cannot be observed because it does not emit light that can be detected. Only its gravitational effect is visible.
Astronomers when calculated the mass of the visible matter and tried to account for the observed speed of stars in the galaxy, there was a mismatch. To understand what caused this mismatch, astronomers gave name to the invisible matter as the Dark Matter.
The expected velocity of stars should decrease away from the near the center of the galaxy but a constant velocity of stars was observed that is a relatively flat rotation curve was obtained.
Thus, flat rotation curves in spiral galaxies in an evidence of Dark Matter.
<span>centeral south america or in africa</span>
If the earth had no oceans, then the tropical regions would be comparatively warmer.
The earth without the ocean would be super-hot at the equator and really cold at the poles. The warming at the equator increases the temperature and the warm air rises. Without oceans, there will not be any winds flowing which will cause moderation of temperature, due to which extreme temperatures will be experienced in places such as extreme cold in the frigid zone and extreme heat in the equatorial region. Though temperature at tropics would be comparatively lower than equatorial region, still it would be high for the person to live in such areas hospitably. Ocean currents act similar to a conveyor belt, which transports warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics.
Learn more about Tropical regions at:
brainly.com/question/932177
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