Form and appearance and more particularly to question of authorship and textual circumstances such as time, place and purpose.

7.a

8.a

9.c

10.b

11.a

12.c

13.a

14.b

15.b

16.a

17.a

18.c

19.a

i'm not really sure ^_^

answer:

Hellojdjsjs sjsjsks jsksksks nssksjjs bsnsnsjs

A physical propertyis an aspect of matter that can be observed or measured without changing it. A chemical property may only be observed by changing the chemical identity of a substance

Dahil sa talambuhay ni Antonio Luna