Is the protista kingdom the most primitive?

How fast 1600 kilometers per hour to move in miles per hour? What little sacs that store food waste and water? What is another name for the average weather condition in a region over a long period of time? What is the process called canvass? A divergent boundary is different than a convergent boundary in that? When will volcano Cotopaxi erupt again? Why are the lanthanides and sctinides placed at the bottom of the periodic table? How many square decimeter equals 24 meters? What wind blows across the US? Does Jupiter have a average humidity? Do people still have house warming parties? How does the mammalian kidneys help maintain homestasis? Will spirit change red litmus to blue? Is parsnip a taproot plant? Which nutrient will be absorbed by this small intestine? Is 1.2 quarts equal to 4.2 cups? Can you put an extension cord on a treadmill 20 amp? Which parts of the water cycle area caused by the force of gravity? Is swallowing a reflex or instinct? What substances keep their physical properties when mixed in water?