Properties that shouldn't be used in vinegar ?

Vinegar can be used on surfaces such as glass, windows, walls, cupboards, floors, sinks, stovetops, and coffee makers. But it shouldn't be used on surfaces like natural stone, waxed wood, cast iron, or aluminum.

the answer is 1. photosynthesis. glad to

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)