Agriscience Exam Questions and Answers||A+ Solution guide(Verified)

Agriscience Exam Questions and Answers||A+ Solution guide(Verified) importance to US history/ importance to US economy - Answer- main way for our country to earn money when we were still a new nation- independent country (power) import - Answer- bring (goods or services) into a country from abroad for sale import to the U.S.: green beans, coffee beans, chocolate export - Answer- send (goods or services) to another country for sale export: maple syrup, apples, cheese, wheat, rye urban - Answer- highest density, city, demand is highest developed suburban - Answer- moderate density, mixed business and housing, neighborhood (town) rural - Answer- open space, low density, farms decreasing fastest due to over popualtion supplies ag. goods (gives it to urban) most likely to have septic system what is agriculture? - Answer- the use of plants, animals & other natural resources for human use crop - Answer- plant/animal used for economic value subsidence - Answer- lowering of the land surface from compaction following groundwater withdrawal agriscience - Answer- the study of agriculture plants and animals snd other related natural resources for human use production agriculture - Answer- in 1860, 50% of americans today, 2% what % of earth is habitable? - Answer- 17% organic (2 things) - Answer- -nothing is sprayed on it -able to decompose domestication - Answer- select it, control its eating, breed it. mans manipulation of all plants and animals (every aspect of their life) for human use agriculture revolution - Answer- went from hunter- gatherer populations (10,000 years ago) to what we are today, with technology biology - Answer- study of life anthropology - Answer- study of humans (myan) archeology - Answer- study of past civilization ecology - Answer- study of how plants and animals interact with their environment agronomy - Answer- crop science zoology - Answer- study of animal life botany - Answer- study of plants what is needed to sustain future agriculture? - Answer- -slow down population rate -lower consumption of natural resources floriculture - Answer- import, export marketing sales/designs pf cut flowers horticulture - Answer- the art or practice of garden cultivation and management what materials should be composted? - Answer- banana peels, leaves, apple core, grass clippings what materials should be recycled - Answer- newspaper, cans, plastic bags, cardboard, glass, old jeans, shampoo bottle, gatorade bottle, junk mail, old sweater organic material - Answer- materials made of carbon that are biodegradable humus - Answer- rich soil that is made when things break down produced from compost compost - Answer- anything able to decompose decayed organic material used as a plant fertilizer managed biological decomposition compost pile should be 103-160 degrees (moisture) decompose - Answer- break down material to become rotten or decomposed ANYTHING ORGANIC CAN DECOMPOSE to rot biodegradable - Answer- capable of being decomposed by bacteria or other living organisms capable to break down sources of Carbon - Answer- wood, straws, leaves anything able to decompose has what ___________ in it? - Answer- carbon sources of Nitrogen - Answer- grass, food ratio of Carbon to Nitrogen - Answer- 30:1 catalyst in decomposition (2) - Answer- -added oxygen speeds up the decomposition process -added moisture- temp between 103-160 groundwater - Answer- 1.Water that collects or flows beneath the Earth's surface, filling the porous spaces in soil, sediment, and rocks. nates from rain and from melting snow and ice and is the source of water for aquifers, springs, and wells part of precipitation that infiltrates the soil to the water table narragansett drinking water is ground water main factor in determining the flow of groundwater - Answer- pressure sources of GW - Answer- -precipitation -interception -subsurface flow -soil moisture topography - Answer- the shape of the surface surface water - Answer- water collecting on the ground or in a stream, river, water, lake, wetland, or ocean aquifer - Answer- stores water underground (cleaner than reservoir) A layer of porous substrate (underground layer of porous rock e.g. gravel, sand or silt) that contains and transmits ground