Douglas fir, redwood, spruce, and cedar are trees adapted to survive in areas with heavy precipitation.

In which climatic zone would these trees be found?

A marine west coast
B Mediterranean
C humid subtropical
D steppes
It's either A marine west coast, or C humid subtropical.

Option C

Humid subtropical climatic zone would these trees be found

Explanation:

The general trees seen in Humid Subtropical areas are largely evergreen trees, shrubs, and ferns. These are no mighty conifer trees similar to pine and spruce. Largest of these evergreens are more refined. The purpose many plants hereabouts are evergreens is because of the large months of warmness and steady rain.

These shrubs have accommodated to the natural climate circumstances. Numerous broad-leaf evergreens such as palm trees and ferns are seen hither.  Douglas-fir-tanoak forest usually termed "mixed evergreen forest". A rich understory of herbs, shrubs, ferns, and fungi is discovered beneath the towering redwood and other conifers

materials water oxygen those are the things i can think of in this moment.