What process caused the accumulation of sand that produce the sand dunes? A. deposition
B. physical weathering
C.
chemical weathering
D.
erosion

If a || b and e || f, what is the value of y ?

What are fructose and glucose an example of?

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