In which sentence does the subject correctly agree with the verb? The saguaro cactus, native to southern Arizona and northern Mexico, have been known to live as long as two hundred years.
The branches of a saguaro, also known as arms, are covered with white flowers in the spring and red fruit in the summer.
When a saguaro dies, either the woody ribs or the hollow “saguaro boots” is used for construction and water storage.
Temperature and elevation, both important environmental factors, affects the growth and health of a saguaro.

When mrs. jameson says "it (the desert) won't leave you cold," what does she mean?

What parts of hamlet’s soliloquy support a more negative outlook on life?

Read the excerpt from infinite jest 'my application's not bought," i am telling them, calling into the darkness of the red cave that opens out before closed eyes. 'tam not just a boy who plays tennis. i have an intricate history. experiences and feelings. i'm complex. "read,' i say. 'i study and read. i bet i've read everything you've read. don't think i haven't. i consume libraries. i wear out spines and rom-drives. i do things like get in a taxi and say, "the library, and step on it." my instincts concerning syntax and mechanics are better than your own, i can tell, with due respect. the theme suggested by the excerpt is about a. being understood b. the value of education c. wisdom versus foolishness d. learning responsibility