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Plz help me it hard thx

Plz Help Me It Hard Thx class=

Sagot :

Answer:

A. Chongchang

Explanation:

Naiiyak ka because?

Answer:

19. D. Organ system

20. C. Tissues

Explanation:

Cells is the smallest unit of life, while Tissue is a group of similar cells, Organs is a group of similar tissues working together, and Organ system is a group of organ working together. Ganyan po pagkaka sunod sunod :)