Snow passes all of the requirements necessary to be defined as a mineral. In Review. A mineral, by definition, is. . . 1  Inorganic, which means that it is not made by a living organism. 2  A solid.3  Has a regular crystal structure. 4  Made by nature which means minerals are not made, directly or indirectly, from human activity. 5  Has a predictable chemical formula.now passes all of the requirements necessary to be defined as a mineral. In Review. A mineral, by definition, is. . . 1  Inorganic, which means that it is not made by a living organism. 2  A solid.
A frame is a digital data transmission unit in computer networking and telecommunication. A frame typically includes frame synchronization features consisting of a sequence of bits or symbols that indicate to the receiver the beginning and end of the payload data within the stream of symbols or bits it receives.
A data frame is a list of equal-length vectors. 1  typeof() of a data.frame gives a list. 2  A data.frame has the properties from both matrix and list, for example, it has names(), nrow(), and ncol(), etc. also it has length(), which is the same as the length as underlying list. You can subsetting a data.frame as you subset a matrix or in the way for list. For more comprehensive introduction see here: Page on had.co.nz.