The layer cells that enclose the vascular tissue in the central region of the root is the?
a)endodermis
b)cortex
c)xylem
d)phloem

What was carolus linnaeus' classification system of organisms based on? a.physical characteristics of organisms b.food habits of organisms c.habitat of organisms d.size of organisms

What is the 77 element on the periodtic table

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?