1. Which of the following abiotic factors would likely affect humans directly? soil pH climate change humidity water availability2. How might a flood affect the population of an area? increase the population increase available resources reduce the need for resources reduce the population3. Which of the following is a natural resource? iron steel concrete plastic 4. Which mineral is used in making cans and is found mainly in Australia? magnetite hematite tektite bauxite 5. Smelting is the major method used to refine and enrich which of the following? iron ore oil uranium ore coal 6. Which technology would best help the United States wean itself from foreign oil? biodiesel fuel solar-heated homes geothermal energy more nuclear power plantsThank you in advance!! ;)
