AP Environmental Science unit 4 review Accurate 100%

Freshwater accounts for how much of the earths water - ANSWER 3 percent where is the majority of the earths freshwater - ANSWER 3/4 of the earths freshwater is above ground in ice and glaciers A method has been implemented to reduce water use i dry climates to - ANSWER alternate days for households to water their lawn or wash their cars gray water is suitable for - ANSWER watering plants, washing cars gray water comes from - ANSWER baths, showers, sinks, and washing machines. volcanoes may be found at or near plate boundaries where what is happening? - ANSWER seafloor spreading when plates move sideways past each other creating faults in Earth's crust that is called - ANSWER a transform plate boundary the rock cycle operates in what order? - ANSWER the rock cycle doesn't have an order fossils, formed from plant or animal remains are found in - ANSWER sedimentary rock metamorphic rocks - ANSWER have been subjected to high heat and pressure, and include marble and slate. which soil horizon has the most organic matter or humus - ANSWER A horizon which horizon is known as topsoil - ANSWER A horizon which horizon is similar to the parent material - ANSWER c horizon the E horizon - ANSWER is a zone of eluviation, and is the zone through which iron and aluminum pass from overlying horizons the least weathered zone in the soil is - ANSWER the c horizon mineral nutrients are primarily present in the - ANSWER b horizon, subsoil Hybrid electric cars come with environmental tradeoffs such as - ANSWER pumping acids into deep boreholes to dissolve surrounding rock, ground disturbance, fragmentation of natural habitat, acid mine drainage flowing overland the elements of earth are separated such that the - ANSWER most dense elements are in the center, called the core. the earth is about - ANSWER 4.6 billion years old the layer of soil on the surface of the earth is at the top of the - ANSWER crust the high temperatures at the center of the earth are the result of - ANSWER radioactive decay the difference between erosion and weathering is that - ANSWER weathering refers to the breakdown of the rock; erosion refers to the removal of the rock from its landscape erosion is caused by - ANSWER wind, water, gravity, burrowing animals erosion of soil can be accelerated by which of the following practices - ANSWER road building, logging, construction, agriculture the function of soil is - ANSWER filter of water and atmospheric chemical compounds, habitat for organisms, anchor for plants, location for recycling of organic matter. a good liner for a landfill is - ANSWER clay strip mining - ANSWER is a form of surface mining in which "strips" of soil and rock are removed to expose ore. environmental problems associated with mining involve - ANSWER use of mercury, damage to streams, soil erosion, habitat fragmentation and destruction. acid mine drainage - ANSWER lowers the pH of the soul and streams in the area mined. the legislation that mandates that land should be minimally disturbed during the mining process and reclaimed after mining is completed is called the - ANSWER surface mining control and reclamation act of 1977 which is not associated with the rock cycle - ANSWER salt rock the Richter scale is similar to the pH scale because - ANSWER it is based on a logarithmic scale acid rain, a type of chemical weathering, can result form the pollution of what chemical - ANSWER sulfur which isn't a property of soil - ANSWER basalt which isn't a type of mining that was discussed in chapter 8? - ANSWER field mining at a hot spot - ANSWER magma rises