Directions: The sentence has a part underlined. The part may have error of grammar and/or syntax. Identify the error and select the option that rectifies the error.

Tropical forests exist close to the equator, where both high temperature and abundant rainfall occurs year-round.

Tropical forests exist close to the equator, where both high temperature and abundant rainfall occurs year-round.

Tropical forests exist closer to the equator, where both high temperature and abundant rainfall occurs year-round.

Tropical forests exist close to the equator, where both high temperatures and abundant rainfalls occur year-round.

Tropical forests exist close to the equator, where both high temperature and abundant rainfall occur year-round.

Tropical forest exists closer to the equator, where both high temperature and abundant rainfall occurs year-round.