Underwater living faces many of the same life support challenges as living in space. ... But in the future, underwater habitats might provide their own oxygen with artificial gill technology to extract dissolved air from the sea water
Since humans do not have gills, we cannot extract oxygen from water. Some marine mammals, like whales and dolphins, do live in water, but they don't breathe it. They have developed a mechanism to hold their breath for long periods of time underwater.
To put these depths into perspective, three American football fields laid end to end would measure 900 feet (274.32 m) long — less than the distance these divers reached underwater. Most recreational scuba divers only dive as deep as 130 feet (40 meters), according to the Professional Association of Diving Instructors.
the answer is their cells grow more rapidly than the surroundings cells
Answer:
I don’t think the pictures were retouched. This led some people to believe Anna Anderson’s claim that she was Anastasia and survived the execution. Because its Anna whose fame as an impostor remains, despite there being several other young women with the same claim. Why did … One body was identified as the missing Anastasia and her brother. Anna appeared in the early 1920s claiming that she was Anastasia Romanov.
The smallest type of stream is a brook.
