Despite its direct relevance to second/foreign language learning, quality of life has been a neglected area within Second Language Acquisition (SLA) research. The present study sought to investigate the relationship between quality of life factors and speaking skill as one of the most challenging parts of L2 learning. To this end, an adapted version of life quality questionnaire originally devi...

most of the environmental threates and resources depletion are direct consequences of human behavior, so altering the behavior could decrease environmental problems. in this regard, identification of the effective factors on behavior would be the first step. lake urmia as a public good, needs public contribution to prevent its more deterioration that could have serious impacts on social welfare...

this research has been done with the aim of explaining environmental and managerial factors that affects on rangeland vegetation distribution in saral rangelands of kurdistan province. after selecting plant types as working area were done sampling from plant types and determined some of plants parameters such as kind and number of plants and cover percentage. various environmental factors such ...

monozygotic twins are genetically identical individuals who can also be mirror image twins and the differences between them result from environmental factors. current study, monozygotic twins were analyzed in different dentitions of primary, mixed and permanent. as a conclusion, although genetic factors are naturally potent, environmental factors’ role can be increased and weaken the genetic fa...

Background & Aim: Verbascum songaricum is a perennial herbaceous belongs to the Scrophulariaceae (snapdragon) family. Current study was done to study the environmental conditions effect on phytochemical properties of Verbascum songaricum leaves for extracting the effective materials. Experimental: This study was conducted at five range sites, including Hoze valley, Ghahiz, So...

Biological markers (measurements made from biological media) are currently of great interest to epidemiologists in the field of environmental health. After placing markers within an historical and conceptual framework, this paper assesses the practical advantages and limitations of biological markers with respect to epidemiological methods and discusses criteria for the evaluation of markers. I...

Species diversity, richness and biomasses (aboveground biomass) and their relationships are the key variables of ecosystems. This study was conducted to determine the relationship of Species Diversity (SD) and Species Richness (SR) with Above-Ground Biomass (AGB) at a local scale at 5 different habitats (shrubland, forbland, grassland, shrub-forbland and forb-shrubland) in Zagros mountains in w...

Relative to research on effects of environmental exposures on exacerbation of existing asthma, little research on incident asthma and environmental exposures has been conducted. However, this research is needed to better devise strategies for the prevention of asthma. The U.S. Environmental Protection Agency (EPA) and National Institute of Environmental Health Sciences held a conference in Octo...

The majority of U.S. sewage sludges are disposed by application to land for use as a soil amendment. Class B sludges, containing a complex mix of chemical and biological contaminants, comprise the majority. Residents near land application sites report illness. Symptoms of more than 328 people involved in 39 incidents in 15 states are described. Investigation and tracking of the incidents by age...