One of the most inetallic
metals, named for its sky
blué. spectral lines.
atomic clocks using this.
element are accurate to 5
sec in 300 1
see in 60 years (that's
easy mnath),

Why are pipes bursting in the in extremely cold weather?

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

Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration