Select the correct coefficient ratio that balances the following chemical equation P4 + O2 ---> P205*
1:5 --> 2
8:8--> 1
1:4---> 1
2:1 --> 2

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

Which of the following list the divisions of the geologic time scale in order from longest to shortest

Is the number of complete movements of a wave per second.