The tools that describe and plot the night sky for every day of the year are called the (3 points)
A) celestial spheres
B) ecliptic planes
C) orbital paths
D) star charts

In a system, when potential energy decreases, then entropy also decreases. true false

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.