look at the text below. if there is an error with subject - verb agreement, select the incorrect verb and…

look at the text below. if there is an error with subject - verb agreement, select the incorrect verb and type it correctly. otherwise, submit the text without making any changes. when conducting research, be careful in choosing your sources; all is subject to the biases and opinions of their authors.

look at the text below. if there is an error with subject - verb agreement, select the incorrect verb and type it correctly. otherwise, submit the text without making any changes. when conducting research, be careful in choosing your sources; all is subject to the biases and opinions of their authors.

Answer

Brief Explanations:

The subject "all" here refers to multiple things (sources in this context), so the verb should be plural.

Answer:

When conducting research, be careful in choosing your sources; all are subject to the biases and opinions of their authors.