trillions of dollars
trillions of dollars
Indirect material is normal fixed cost that is why it is allocated using some kind of ratio or formula.
landforms, political
Wood towers normally reduce costs, have an easy construction, easy to maintain and wood material is easily available.
Yes I do some are Political Geography,Economic Geography and Population Geography
You mix liquid latex with wax or some other funky material
some see no reason to, especially as recycling some materials costs several times more than just buying virgin material.
Moving and settlement is in human nature but some communities are more mobile than others. Only few of the entrepreneurs are mobile. Their locational mobility depends upon availability of raw material and labor, experience, socio political information, etc.
ANOTHER ANSWER basicially:Humans getting smarter and some ''human needs'' to be became . and some of humans find a solution of these needs or problems like ; when the other communities use the stones some communities find the way to use cu or some anoter metals in their weapons. so I think the answer of ''why does material science grow'' is solution of some human needs or humans problems...
Phenol is found in nature in some foods, in human and animal wastes and in decomposing organic material.
Pornographic (note spelling) is written or pictorial material whose primary purpose is sexual arousal. In some countries, it includes all written or pictorial material on the subject of sex or the human body. In other countries, including the United States, works whose primary purpose is literary, scientific, or political are not considered pornographic even if they include descriptions or images of sex.
The main divisions within human geography reflect a concern with different types of human activities or ways of living. Some examples of human geography include urban geography, economic geography, cultural geography, political geography, social geography, and population geography.