Which of the following is the best example of a closed system?

a car engine

our universe

a greenhouse

an insulated gas cylinder

i thought it was the greenhouse but wasn't sure

The APA style is governed by which organization? A. American Paraprofessional Organization B. Association of Professional Architects C. Association of Professional Administrators D. American Psychological Association

Who did Nero blame for the huge fire which destroyed much of Rome? a. Greeks c. Jesus b. Christians d. Virgil

Does anyone know the definition for the word Lank?

In both 'My City' and 'London', the writers describe ideas about London City. What are the similarities and/or differences between the methods the poets use to present these ideas?

Read the passage. (1) The word quarantine has an interesting history. (2) It comes from the Latin word for the number 40. (3) Long ago, ships had to stay in port for 40 days if they came from countries where people had the plague.

Read the passage. It was the hollow sound of Angeline's footsteps on the staircase and the gentle creak of the banister as she gripped it that sent Jimmy's heart racing and his eyes darting around the room in search of an escape.

Our Town has "universality" which means it has which of these? a language used by people of a certain locality the quality of being shared and understood by all the sponsorship of a church tragic or comic form

Which one is a run-on sentence? A. Ice hockey is one of the fastest growing sports in the United States. B. Hockey has the body contact you enjoy in football the players push, shove, and battle fist to fist. C.

A coin contains 1.25grams of nickel and 3.75 grams of copper, for a total weight of 555 grams. What percentage of the metal in the coin is copper?

When do you use comma