40 POINTS HELP ASAP Why can’t Liu He make it to a later showing?
Tā yào shàngbān
Tā míngtiān yào zǎo diǎn qǐ chuáng
Tā yào chī dōngxi
Tā bù xiǎng kàn diànyǐng

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

David works in the police force. he is mainly in charge of crime prevention, detection, and maintaining order. he works at the rank of a .

Effective decision-making means comparing the additional costs of alternatives with the . total costs diminishing utility marginal benefits