I need help I'm doing a comulative exam The Earth is able to sustain life because its atmosphere allows in much of the radiation from the Sun. Please select the best answer from the choices provided T F

its science

What type of reaction fuels the processes seen here?

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

The biosphere of the earth is made up of what compound? organic or inorganic?