Describe how cell membranes are selectively permeable

Comparing radio waves and ultraviolet light, which of the following is true? 1. Radiowaves have lower frequency, same speed, and longer wavelength than ultraviolet light. 2.

It takes 11.2 kJ of energy to raise the temperature of 145 g of benzene from 23.0°C to 68.0°C. What is the specific heat of benzene?

If Tina starts out at 10 m/s, and in 10 seconds up to 20 m/s, what is her acceleration?

The sprinter ran 110 m in 11 seconds. What was her average speed in m/s?

Air flows upward in the wick of a lantern because of the liquid property called

PV = nRT, is the a. equation of state of an ideal gas b. theorem of equipartition of energy c. second law of thermodynamics

Which conducting electricity has the most harmful effects?

Which is the farthest known planet from the sun? a. Jupiter b. Saturn c. Uranus d. Neptune

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent