What do astronomers mean by the big bang?

Volume d'une piscine olympique : 1000m3 = ? L

Resistance of a conductor is directly proportional to length. a. True b. False

An iron anchor of density 7810.00 kg/m^3 appears 252 N lighter in water than in air. (a) What is the volume of the anchor? (b) How much does it weigh in air?

Which physical trait is most likely to be influenced at least partly by environment? A) height B) hair color C) weight D) eye color

Scientist A believes she has discovered a new procedure that is better than a procedure currently in use by physicians. She tests her procedure on several occasions and achieves excellent results.

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices

Which force most likely created this mountain? compression gravity sheaning tension

What is the opposition of sublimation?