Yah it is. Its a tittle, or name so ts capitalized.
Yes, "I am" is typically capitalized because "I" is a pronoun and should always be capitalized in English.
Yes, when referring to the title of the President of the United States, it should always be capitalized.
Yes. Days of the week are always capitalized.
No. A doctor listens for it. Pneumonia shows up on the x ray.
You can study in a college to become an x-ray technician. The job is highly desirable and there is always jobs.
The case of the letter is important. k for kilo ( x 1000 ) is always lower case. m for mili ( x 1 / 1,000,000 ) is lower case, but M for Mega ( x 1,000,000 ) is capitalized.
Yes, it should always be capitalized.
No, circa does not need to be capitalized.
No, the word "rif" is not always capitalized. It should only be capitalized if it is part of a proper noun or at the beginning of a sentence.
Yes it should always be capitalized.
No, CRNA does not always need to be capitalized. It should be capitalized when using it as an acronym for Certified Registered Nurse Anesthetist.
A common noun is capitalized only when it is the first word in a sentence. A proper noun is always capitalized. An acronym is always capitalized.