What is a limitation of computer models?

a. Computer models help scientists make predictions about complex systems

b. Computer models test hypotheses by simulating different situations

c. Computer models require valid data to make accurate predictions

d. Computer models analyze many pieces of data in a short time

How many molecules are found in 1.32 mol of nacl?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.