Answer:

1. DOH-The primary function of the Department is the promotion, protection, preservation or restoration of the health of the people through the provision and delivery of health services and through the regulation and encouragement of providers of health goods and services.

2. DOA-Abstract. Direction-of-arrival (DOA) estimation refers to the process of retrieving the direction information of several electromagnetic waves/sources from the outputs of a number of receiving antennas that form a sensor array.

3. DEPED-The Department of Education (abbreviated as DepEd; Filipino: Kagawaran ng Edukasyon) is the executive department of the Philippine government responsible for ensuring access to, promoting equity in, and improving the quality of basic education.

Explanation:

SANA PO MAKATULONG:)

PA MARK PO NG BRAINLIEST-,-