Which question would be the best high level scientific question?

a. how long ago did dinosaurs live on earth?

b. does the amount of salt in water affect the temperature at which it boils?

c. who made the first microscope?

d. how many giraffes live in africa?

9. wind power creates pollution. water air soil noise

Which statements about the fluid mosaic structure of a membrane are correct? select the three correct statements. which statements about the fluid mosaic structure of a membrane are correct? select the three correct statements. the framework of a membrane is a bilayer of phospholipids with their hydrophilic heads facing the aqueous environment inside and outside of the cell and their hydrophobic tails clustered in the center. because membranes are fluid, membrane proteins and phospholipids can drift about in the membrane. the diverse proteins found in and attached to membranes perform many important functions. the kinky tails of some proteins keep the membrane fluid by preventing the component molecules from packing solidly together. membranes include a mosaic, or mix, of carbohydrates embedded in a phospholipid bilayer.

Polar zones are cold and tend to be dry because of a pressure system of cold. low high