25 points! 1. what is formed by weathering, erosion, and deposition? a) grasslands b) mountains c) sand dunes d) volcanoes 2. what is mechanical weathering? a) the breakdown of rock through decomposition of chemicals b) the buildup of chemical deposits on the surface c) the buildup of rock formations over time d) the breakdown of rock through mechanical disintegration and physical stress

Orion the hunter is known for two navigational stars. which pair of stars are they?

Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.

Which of these is most likely a characteristic of a non-radioactive daughter isotope after it is form from the parent isotope a . stable electron’s b. stable nucleus c. positively charged atom d. negatively charged atom