One disadvantage to using a primary source, such as a letter or diary is

I agree with Writeacher

but the answer is b

the answer is b

a. the source could be lost

b. the source could contain bias
c. the source may not be well written
d. the source could be innacurate

LOL this is kinda like Science because my science vocab word was bias

I can´t use brainly.com my chromebook won´t let me.

The answer is the source could contain bias

If the teachers here are too much, you can use something called brainly

it is right!

those are not the teachers, the real teachers have 🧑‍🏫 (the teacher emojis) in there name

DO NOT USE BRAINLY IT SUCKS