23) An ecological unit comprised of complex communities and their specific environments is
A) bio-indicator.
B) biodiversity
C) biomass.
D ecosystem.

the answer is five curious-looking beans

clerical work ensures that an office runs smoothly. it involves the day-to-day administrative tasks of an office, such as answering phones, scheduling appointments, sending faxes, and filing documents. office clerks and secretaries need to have particularly strong clerical skills.

explanation:

see u later bae lol

im taking test rn i give answers when im done bc i dont wanna give my answers and get you any wrong hold up : )