One-quarter of the world’s coal reserves are found in which country?

Russia

Mexico

Saudi Arabia

United States

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

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