Isotopes of the same element differ in their number of

Two atoms that contain the same number of protons but different neutrons are isotopes of the same element.their masses are different but they react the same way chemically

the answer is a) a shiprock was formed by igneous process

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)