Which of the following IS a true statement? A. The wind is the cause of most erosion.
B. Physical weathering can change the color of rocks.
C. Glaciers cause lakes to form.

I speak very little English, sorry if my grammar or spelling is wrong!! <3

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

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.

The same side of the moon always faces earth because the