HDL (good) cholesterol protects against heart disease, so for HDL, higher numbers are better. A level less than 40 mg/dL is low and is considered a major risk factor because it increases your risk for developing heart disease. HDL levels of 60 mg/dL or more help to lower your risk for heart disease.
The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean, an average of 200 kilometres to the east of the Mariana Islands, in the Western Pacific East of Philippines. It is a crescent-shaped scar in the Earth's crust, and measures about 2,550 km long and 69 km wide on average. It reaches a maximum-known depth of 10,994 metres at a small slot-shaped valley in its floor known as the Challenger Deep, at its southern end, although so
MARIANAS TRENCH. Deepest portion of world's oceans located in the Western Pacific. This is location where floor of Pacific Ocean descends back into the Earth. The deepest portion of this area is called the Challenger Deep and plunges to a depth of 7 miles. hms challenger British navy ship that collected samples and measurements across Atlantic, Indian and Pacific oceans and laid foundation for modern science of oceanography