Alvin was a deep sea vehicle which was used to explore the depths of the ocean. It sunk but was recovered and recommissioned in 1973 after which it discovered black smokers, a special type of hydrothermal vent which produces super heated water with a highly acidic pH. Thus, the answer is B.
Answer:
Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second (m/s), but the most common unit of speed in everyday usage is the kilometre per hour (km/h) or, in the US and the UK, miles per hour (mph). For air and marine travel the knot is commonly used.
Explanation:
The
La Brea Tar Pits are filled with asphalt. They are a group of tar
pits. There is natural asphalt that has seeped up from the ground for
tens of thousands of years. This is where many remains of prehistoric
creatures were found. This animals got stuck in this pools of
asphalt.
Answer:
C. Filled with asphalt
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Alcoholic fermentation occurs in yeast and produces ethyl alchol from pyruvate.
Lactic acid fermentation occurs in animals and produces lactic acid from pyruvate.
Both of these processes can proceed in the absence of oxygen.
The inferior-posterior part of uterus, on its cervical end
