Bhav vachak sangya of utkrisht

What is the predicate noun in the following sentence? my favorite flower is the rose.

47. a student is frightened by a loud noise, which results in a hormone being released into the blood. the hormone causes the student's heart to beat rapidly. the two systems that work together to cause this reaction are the endo- crine system that secretes the hormone and the (1) nervous system (3) excretory system (2) reproductive system (4) digestive system

Read the sentence. at the end of the day, the dusk was filled by the coyote's haunting call. which revision puts the sentence in the active voice while maintaining the meaning? at the end of the day, the coyote’s haunting call filled the dusk. at the end of the day, the coyote’s call haunted and filled the dusk. at the end of the day, the coyote’s call was haunting the dusk. at the end of the day, the coyote was calling the haunted dusk.