Why are all of the world's major deserts located between 30 ∘N and 30 ∘S ? Group of answer choices The ITCZ is located at those latitudes. Mid-latitude cyclones cause large-scale sinking air there. The Ferrel cell has its upward branch there. The Hadley cell's descending branch is located there.

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

Ascientific idea becomes valid when it is what?