Yes
Acid-- it has a ph of less than 7.
Yes, any citrus fruit contains vitamin C and Lemons are a citrus fruit.
For 5 days straight I drank only Grapefruit juice and I lost 10 pounds. It really works......................................
Lime is more alkaline than lemon. Grapefruit is more akaline than lemon, but a little less alkaline than lime.
You are probably referring to a pummelo or pomello is also known as a Shaddock in great Britain. The largest of the citrus family, is native to Malaysia.Now grown in many countries including North America. An ancestor to the grapefruit, they can reach 12 to 18 inches in diameter. They have a thick outer rind and pith containing a firm flesh with less juice than grapefruit. Very high in Vitamin C and potassium and low in calories. The inside can be from pale yellow to bright red depending on variety and flavor ranges from lip smacking tart to honey sweet. Mouth feel is very much like orange and grapefruit but less juicy.
Vitamin k is found in leafy green vegetables and not in grapefruits
Shikakai, another powerful herb for hair is found in south India and is also termed as the south Brahmi. It contains 100 times more vitamin C than a grapefruit. It detoxifies the blood in the scalp and stimulates hair growth while enriching the thickness of the hair. Also, it contains numerous anti-oxidants like Vitamin A, D, E and K that encourage healthy hair growth and prevent graying of hair. http://www.buzzle.com/articles/herbal-way-to-black-hair.html
It is true. Such forces always come in pairs. (This is related to Conservation of Momentum.) Of course, the effect of such a force on the Earth - the amount Earth accelerates, if you release the grapefruit - will be much less than the effect on the grapefruit (by Newton's Second Law).
a lemon is more sour than a grapefruit because it is more acidic.
Vitamin "Exercise" and eating less than you burn.
In the U.S., one third of all adults get less vitamin C from their diet than is recommended by the National Academy of Sciences, and 1 out of every 6 adults gets less than half the amount recommended.
A lemon has a smaller mass than a grapefruit.