The number 0.00243 has how many significant digits?

a. 3

b. 4

c. 5

d. 6

This flask originally held some copper wire and a clear solution of nitric acid. The two substances reacted and produced a brown gas and a blue solution. This reaction cannot be reversed. Evidence of a chemical reaction is shown by A) ice forming.

When does scattering of light occur?

What theme is represented by frodo? a. even a small individual can make a big difference in the world. b. there is no such thing as free will. c. weak individuals must rely on the strong to survive. d.

Helen Keller was stricken with scarlet fever as an infant and ended up blind and with no hearing. Her ability to speak didn't occur until she was nearly adult.

Typical fears in children include the fear of A. failure. B. heights. C. jumping. D. the dark.

How do evaporation and condensation relate to heat

Resistance = 0.1 ohm Current = 60 amps Voltage = ? 0.6 6 60 600

The velocity of a roller coaster as it moves down a hill is where v0 is the initial velocity and h is the vertical drop in feet. An engineer wants a new coaster to have a velocity of 90 feet per second when it reaches the bottom of the hill.

What are sun spots?

Identify characteristics of objective personality tests. -self-report -scientific -paper-and-pencil -questions about behavior -objective -potentially biased answers Multiple Choice-Psychology