Which feature a cactus plant prevent water loss in a hot, dry desert

1) green color

2) flowers

3) waxy surface

4) branches

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Contrast how pollination is different among gymnosperms and angiosperms.