Question

in the term substrate, which word element is used because it means to spread out?
o sub-
o -ate
o -strat

Explanation:

The word - strat in substrate is related to spreading out as it is associated with layers which are spread - out structures. The prefix sub - means under, and the suffix - ate is a common verb - forming or adjective - forming suffix and has no relation to spreading out.

Answer:

• strat