The mound builders lived near what type of physical features? a rivers b plains c low hills d mountains

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Are the earth's ocean floor and continents the same age geologically? why or why not?

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water