What materials can be used to erase part of a document?
chemicals
eraser
sandpaper
all of the above

All of the above

Erasers are natural or synthetic substances that can be used to remove or alter the handwritten or printed material from the document. The natural materials which can be used for erasing includes the rubber, sandpaper , vinyl, plastic, or gum-like materials, whereas synthetic materials includes chemicals like acetone formulations.

a community that experiences major changes undergoes progress

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)