Which of the following characteristics of water is correct?
a. water has low heat vaporization
b. water contracts as it freezes
c. water is nonpolar and is attracted to nonpolar substances
d. water exhibits cohesion, the tendency to attach to other molecules
e. water spontaneously ionizes into hydrogen and hydroxide ions

What is the term for a loan with a cosigner? an automobile loan a guaranteed loan a consignment loan a contractual loan

  usually, loads of more than pounds require the assistance of a second person.           a. 40   b. 20   c. 50   d. 30

Ahigh school teacher wants to study the seating habits of students in the cafeteria to determine if students sit in the same seats or change seats from day to day. she sits in the cafeteria for several days, and without interacting with the students, records where they sit each day. what is a potential benefit of this type of research? there is an independent variable. there is a dependent variable. the researcher can gain personal information about an individual. the participants act normally. the information can be gathered over a period of several years.