狠狠撸

cambridge a-level biology geography cells weathering fluvial atmosphere aice chemistry fluvial geomorphology physics oxygen population britain history rural migration blood hydrogen carbon weather transportation germany france organism catalyst michaelis-manten kinetic affinity nitrogen molecules hydrolysis biological\ rocks enzymes nitogenous base dna ribosome rna mitosis watson and crick protein synthesis meiosis phospholipid sodium potassium pump diffusion active transport osmosis microscopy industrialization industrial revolution case study a level revision 19th century teaching causes italy trench warfare first world war world war 1 industrial revoltuion japan russia induistrialization geomorphology as level igcse science rock education denudation exfoliation biochemistry erosion refugees 诲颈谩蝉辫辞谤补 rural-urban migration urban lake meanders groundwater hydrology delta river potholes waterfall rapid drainage basin lymphocytes white blood cells cholera hiv urban infrastructures urbanization slum settlement urban sprawl urban redevelopment counterurbanization residential segregation gentrification urban regeneration heat island reurbanisation green belt death rate birth rate boserup malthus gas exchange arteries coronary heart diseases capillaries veins blood pressures heart pump leaves phloem stem plant vascular plants translocation xylem transpiration roots geomorpholyg asylum seekers myesthenia gravis malaria t-cells tuberculosis phagocytes leukocytes rheumatoid arthritis measles multiple sclerosis b-cells autoimmune diseases smallpox smoking chronic bronchitis copd emphysema lung