5. which event marks the end of both the Paleozoic era and the mesozoic era?

A. cenozoic

B. mesozoic

C. paleozoic

D. precambrian

A 55 kg skater spins 12 m/s while carving a circle on the ice that has a radius of 6.0m. What net force must act on the skater to keep her in the circular path?

Describe how the Fermi level changes with donor level, temperature and contact with p and n type semiconductors

Drag each label to the correct location on the chart. Sort the items based on whether they are simple machines or compound machines. sewing machine pair of tongs fishing rod and reel seesaw wheelbarrow crane Reset Next

What makes conductors conductors?

How many unique values of x solve x2 + 4x + 4 = 0?

n open rectangular tank is filled to a depth of 2 m with water (density 1000 kg/m3). On top of the water there is a 1 m deep layer of gasoline (density 700 kg/m3). The width of the tank is 1 m (the direction perpendicular to the paper).

Is the sun considered a star?

If I get a spare in one frame and then roll a 1 and 5 in the next frame, what would my score for the spare be? A 10 B 11 C 16 D17

2x^2:3=dg solve for x

A 2.25-kg block is released from rest on a ramp of height h. when the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.