First, we can ride to school or go to school on foot and tell our parents to walk to work instead of driving a car. Second, we should save water and electricity by turning off the taps and lights in time when we don t need them. Third, give the old books to the next grade ...
The activity budget and synchrony in mixed and single-sex groups of merino sheep (Ovis aries) of different sizes (2, 4, 6, 8 individuals) were measured in three contiguous 491-m arenas located in a natural pasture. Three same-size groups, one of each category, were observed simultaneously...
Animals have been killed for their fur and feathers(羽毛),for food,for sport,and simply because they were in the way.Thousands of kinds of animals have disappeared from the earth forever.Hundreds more are on the danger list today.About 170 kinds in the United States alone ar...
aNatural resources are things that we get from nature that help us survive. Each region offers different resources, and therefore attracts different groups of people. People who enjoy the beach car make their living by catching and selling the ocean′s many fish and other sea creatures. Those ...
Describes the Coordinated Resource Management (CRM) in the Classroom project, in which Wyoming high school students work on an authentic natural resource problem, using a decision-making process based on consensus to reach agreement on solutions to the problem. Notes implementation issues of ...
Since these resources have fewer alternatives, the onlyway to survive these resources is optimal utilization of them. The purpose o... S. A. Alavi,A. Abunoori - 《European Online Journal of Natural & Social Sciences》 被引量: 1发表: 2015年...
Guidelines have been developed by the U.S. Natural Resource Conservation Service to assist field estimations of the T-value based on texture, topography, and depth to bedrock or to a root-impeding layer (hardpan) in a soil profile. Deep, coarse-textured soils are assigned a T-value of 11....
In this article, the authors discuss the related scientific literature and connect it to the experience of two national organizations creating outdoor environments for play--KaBOOM! and City Repair. 展开 关键词:Natural Resources Play National Organizations Children Cooperation Playgrounds Empowerment Design...
Natural selection of life history attributes: An analytical approach The life history attributes which maximize fitness can be established analytically through Fisher's equation for reproductive value. Maximizing the reprodu... HM Taylor,RS Gourley,CE Lawrence,... - 《Theoretical Population Biology》 被...
These groups are particularly interesting as they are a natural instantiation of the content~+~relations social media paradigm. We propose a novel approach to group searching through hypergroup discovery. Starting from roughly 11,000 Flickr groups' content and membership information, we create three ...