Which of the following best describes a longitudinal wave?
A. a wave which is caused by regularly repeating disturbance of the medium
B. a disturbance that moves the medium along its line of travel
c. a disturbance that moves the medium outward in all directions from a center
D. a disturbance that moves the medium perpendicular to its line of travel

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.  

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it