The table compares the frequency of some unknown electromagnetic waves. Comparison of Frequency
Electromagnetic Wave Frequency (hertz)
W 1014 Hz
X 1010 Hz
Y 1020 Hz
Z 106 Hz

Which electromagnetic wave has the longest wavelength?
Wave W
Wave X
Wave Y
Wave Z

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world