What instrument family is missing from concert and marching bands? A. strings
B. percussion
C. brass
D. woodwinds

A. Strings

Explanation:

A concert band, variously also called a wind ensemble, symphonic band, wind symphony, wind orchestra, wind band, symphonic winds, symphony band, or symphonic wind ensemble, is a performing ensemble consisting of members of the woodwind, brass, and percussion families of instruments.

for many centuries, the catholic church has been a patron of the arts. the church has used various scientific methods to maintain its power.

not 100% sure though!