Two independent clauses may be joined by

using a comma with a conjunctive adverb
using a semicolon between the clauses without a conjunction
using a semicolon before a conjunctive adverb
using a semicolon before a list of items relating to the subject
using a comma before the conjunctions and, but, or, for, nor, so, and yet

The correct answer is using a comma before the conjunctions and, but, or, for, nor, so, and yet.

Explanation:

Independent clauses, defined as phrases that can stand alone as a complete thought, are commonly joined together in compound sentences. These compound sentences are commonly defined as two or more independent clauses joined together with coordinating conjunctions such and, but, or, for, nor, so, and yet, or a semi-colon.

Bearing the above in mind, it could be said that from the options provided the choice that better suit the statement "Two independent clauses may be joined by " is using a comma before the conjunctions and, but, or, for, nor, so, and yet

cabeza de vaca was an spanish explorer and n his long exploration of 11,000.km. from florida to present-day mexico, he went through a series of calamities and setbacks that only added to his deeds. he applied his religious creed with the humanist idea, always current and universal, that all men were equal before god and destiny without any discrimination. as an explorer, he became a slave to the tipinoga, then his shaman pointer, later and after an operation of heart to an indian (from which both came alive) he achieved stardom and became a hero followed by a crowd that professed unusual respect and admiration.

glitch or non-saved account.

explanation:

i'm not personally a mobile user but one reason could be that it is either a glitch where it doesn't automatically log you in, or you have it so cant save your log-in information. i suggest you use the mobile app instead of using your web browser!