Who disproved the concept that the deep sea is simply a dark and lifeless abyss? a. auguste piccard b. jacques cousteau c. sir john ross d. sir isaac newton

The concept that the deep sea is simply a dark and lifeless abyss was proposed in the Azoic hypothesis by Edward Forbes. Forbes found that with depth the abundance of the marine life forms decreased and ceased to exist after 550 m. Michael Sars, a professor of Zoology found life at a depth greater than the hypothesised depth of 550 m. Later by the use of pioneering underwater technologies of Jacques Cousteau, several life forms were observed and this lead to the eventual disapproval of the Azoic hypothesis.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.