(1) The essence of language is human activity. 

(2) All human activity is prompted by desire. Bertrand Russell 

(3) Learning is both a conscious and an unconscious human activity.

(4) In no other field of human activity is there such a proliferation of specialized physiques.

(5) Further evidence of human activity is to be found in the gentle hills which form the northern edge of the Scotscraig valley.

(6) Most climate scientists now agree that human activity is the main cause of global warming.

(7) Art is a human activity which has as its purpose the transmission to others of the highest and best feelings to which men have risen. Leo Tolstoy 

(8) In any case, human activity was not the only factor in the observances.

(9) It is inevitable that all human activity is error-prone.

(10) Aviation is still quite a recent human activity.

(11) Now, technology has entered all areas of human activity.

(12) In the field of purposive human activity, which includes the domain of the law , value and being are not two different things in Fuller's view, but rather, two aspects of an integral reality.

(13) As an important tool of human activity, the ship has a long history of the development.

(14) For working purposes one can simplify this still further and define sites as places where significant traces of human activity are identified.

(15) The second is the simple case that before dawn, the background noise caused by human activity tends to be much less.

(16) It has no other being except that which is bestowed upon it by human activity and consciousness.

(17) Indeed, the sea can be a dull subject when not seen as the setting for human activity and emotion.

(18) Meanwhile, worried scientists have moved beyond offering proof of the ill effects of human activity to proposing solutions.

(19) Weldon studied crabs in Plymouth harbour that were being forced to live in water that was muddied by human activity.

(20) The navy says that burial at sea is less expensive, demands less shipyard work, and is isolated from human activity.

(21) In advancing the tenets of racism, Western theorists left no avenue of human potentiality and human activity untouched.

(22) Add a global perspective and you up the scale to cover the entire planetary network of human activity.

(23) At worst there is a parochialism about this culture even though its completeness embraces a wide range of human activity and potential.

(24) eg: Today, we realize, perhaps more than ever, that the world of human activity also has its own "Butterfly Effect" for better or for worse.

(25) Developed earlier, as early as the Neolithic period of human activity there.

(26) Microfossil charcoal is one of the important proxies for exploring fire history and ancient human activity.

(27) Disaster mechanism mainly plant's biology characteristic and suitable geographical environment as well as human activity influence.

(28) Beijing ape-man site in Zhoukoudian is a site with most abundant connotation, complete data and most important value in the world, which is also a site with 700000 years pre - history human activity.

(29) But cement manufacturing produces around 5 % of of the carbon dioxide released by human activity worldwide.

(30) But this reef fish could be in danger of losing its smarts as levels of CO2 in the ocean continue to rise due to human activity, according to a new study.

(31) Ever since a long time ago, the continually worsening of Hongze lake ecological environment is due to the evolution of the natural environment and human activity.

(32) Land is used get nature and human activity double element drive.

(33) Scientists widely believe that human activity is involved in global warming.

(34) This paper analyzes the reasons why the Ozonosphere has been destroyed and it has pointed out that the major cause is human activity.

(35) The study showed that human activity had influences on the landscape pattern and structure.

(36) Literature reflect human activity as carry on by the best mind.

(37) By this theory, human activity is aggravating the arsenic problem.

(38) The stronger the ties of fellowship and solidarity amongst men, the greater will be the power of constructiveness and accomplishment in all the planes of human activity.

(39) All human activity springs from two sources: impulse and desire.

(40) His investigations are limited to that human activity which creates material values.

(41) It can also distinguish between changes in the natural carbon cycle and those occurring due to human activity.

(42) Today, we realize, perhaps more than ever,[/human activity.html] that the world of human activity also has its own “Butterfly Effect” -- for better or for worse.

(43) Overall, It'seems that human activity harms the Earth more than it benefits it.

(44) Today, if someone claims that science is by nature a human activity, we can refute them by imaginatively appreciating the possibility of extra-terrestrial scientists.

(45) Each pattern represents a process that is part of one of these process layers: consumer process, long-running process, human activity process, and short-running process.

(46) This zone will be characteristic of ecological vulnerability, the periodic change and the frequency of human activity.

(47) But cement manufacturing produces around ofof the carbon dioxide released by human activity worldwide.

(48) Human pose estimation is an essential issue in computer vision area since it has many applications such as human activity analysis, human computer interaction and visual surveillance.

(49) Human-Geography System with interaction between Human activity and naturalenvironment in-degree depends on land-using type and degree of human being.

(50) Each wave of environmental change marks a major change in human activity, or - in the parlance - history.

(51) It is necessary to use the rational of linkup in the progress of social space design, fully consider the influence of human activity by space.

(52) Modern climate warming is a natural rising trend after the Little Ice Age with human activity factor that increase the trend but not the major reason.

(53) On the park's map, the course is inside the core conservation zone, which is supposed to be off-limits to human activity.

(54) But cement manufacturing produces around five percent of the carbon dioxide released by human activity worldwide.

(55) WCS's aerial surveys have since been expanded to monitor wildlife, livestock, and human activity throughout much of southern Sudan.

(56) the cumulative effect of human activity on the world environment.

(57) Artificial physiognomy formed by engineering measures had characters of completely bare surface and being disturbed by human activity obviously.

(58) In 1962, when John Glenn became the first American to orbit the Earth, he also clearly demonstrated that lights at night could trace human activity from space.

(59) "This feature has been lost from most other island environments due to human activity," said Tim Badman, a top adviser at the International Union for the Conservation of Nature.

(60) As the human population grows, pollution from human activity also increases.

(61) As a kind of conscious activity of human beings that reflects the consciousness and introspectiveness of human behavior, the evaluation is to perfect the human activity gradually.

(62) Australian climatologist Will Steffens argued that climate change caused by human activity will fundamentally alter the air, land and oceans for tens of thousands of years.

(63) Moreover, some unconscionable human activity destroyed entironment and accelerated the abandonment process of ancient ruins.