Which is the following is a singular word mathematics geese videos bacteria mathematics

the answer is mathematics. if the question is multiple choice, then the answers are mathematics and bacteria. question is quite difficult as "mathematics" and "bacteria" can be used as a singular or plural depending in the context. however mathematics is usually used as a singular, whereas bacteria is usually used as a plural.

mathematics - "mathematics" can actually be referred to as singular or plural depending on the context.

geese: "geese" is plural because the singular version is "goose".

videos: "videos" is plural because the singular version is "video".

bacteria: "bacteria" can also be singular or plural, however it is used as a plural most of the time.

i think its d, but grammarly says none

explanation:

bc

explanation:

because it crosses through the circle twice