What is the singular possessive form of scientist?

What is the largest type of seed in the word? What are the five STP port states? What is ring size 10 in milimeters? What damage was caused by cyclone yasi? How much is kg in g? Is it true that if tissue damage is very severe tissue repair is more likely to occur by fibrosis or scarring? What kind of food does soda pop eat? Is stone considered as matter? How do you connect a motor with a wire? Which characteristics of the inner planets increases with increasing distance from the sun? Does diatomaceous earth effectively work on yellow jackets? What is the mass of a liter of alcohol? Kvar is equal to what? When the moon is full can you see Uranus? What is the name of the grey precipitate in the confirmatory test for mercury? What evidence is there that volcanoes did exist in the NWT? How are the four tissues linked in the human body? What is liquid titanium? What is the least volatile currency? Why skin colour of human being varies?