porphyry is an igneous rock containing conspicuous crystals called phenocrysts surrounded by a matrix of finer-grained mineral. <span>both alkali and plagioclase </span>feldspars<span> occur as irregularly shaped grains with only a few or no </span>crystal<span> faces hope it helps</span>
well sahara is the largest hor desert of the world. the people became nomads, and goat and camel herders. The coatal area north of sahara does still produce fruits and some grains. Even durinf roman times the coastal area flourished with some powerful country/states, until the Romans conquered them and incoporated large areas of North Africa into the empire. if u will notice population in the sahara is not very large but is able to support certain tribes like the Tauregs.
..............hope it help!! >.<
Mnemonic technique is the correct answer.
Mnemonic is a very effective memory technique that helps people to remember important words, a list of things or larger pieces of information through association. Martha uses this simple technique by rhyming items, but she could also use humor, exaggeration, and symbols to help her learn and enhance memory.
Answer: Measurable.
Explanation: It is possible to measure a market segment and the difference in preference for a product by knowing the size, purchasing power and profile of a market segment.
