What’s the answer, please hurry

Antonym-Jane is always very enthusiastic and never negative or doubtful.

Explanation- Carburetors, which need fuel and air to engines, are very important.

Example- Large herbivores, such as elephants, need to eat a lot.

Synonym- Their service is expedient- I'm amazed how fast they are!

climax

after following, but not really , the young hunter on his search for the heron, sylvia slips out of bed alone in the middle of the night to find the heron for herself. perched at the top of a gigantic pine tree, sylvia spots the heron, and its nest, in a dead hemlock tree across the way. the following morning she returns home to find her grandmother and the hunter waiting for her at the door. in the moment when she plans to tell the hunter where to find the heron, she suddenly decides to protect the heron and remain silent; even the promise of much needed money does not sway her.

explanation:

its hard for me to see which word is supposed to be in bold. if i knew then i would be able to better.