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e. In chemistry, pH ( / piːˈeɪtʃ / pee-AYCH ), also referred to as acidity or basicity, historically denotes " potential of hydrogen " (or "power of hydrogen"). [ 1] It is a logarithmic scale used to specify the acidity or basicity of aqueous solutions.
Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. Soil pH is a key characteristic that can be used to make informative analysis both qualitative and quantitatively regarding soil characteristics. [ 1] pH is defined as the negative logarithm (base 10) of the activity of hydronium ions ( H+.
The foreign exchange market ( forex, FX (pronounced "fix"), or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices.
Numbers of US dollar millionaires by world region per Credit Suisse (2022) [2] Rank Region Numbers (in thousands) Percentage of world total numbers As percentage of total adult population - World 62,489 100.0 1.1 1 Northern America: 26,778 41.9 9.5 2 Europe: 16,696 26.7 2.8 3 Asia-Pacific: 10,755 17.2 0.8 4 China: 6,190 9.9 0.6 5 Latin America ...
A list of member states is provided below. The members of ASEAN Plus Three and the East Asia Summit are also listed. Both forums are ASEAN-led and meetings are held following the ASEAN Summit.
PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [ 8] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [ 9][ 10] The PHP reference implementation is now produced by the PHP Group. [ 11]
Top 10 countries by total wealth, 2022. United States (30.8%) China (18.6%) Japan (5.0%) Germany (3.8%) United Kingdom (3.5%) France (3.5%)
The Philippines, [f] officially the Republic of the Philippines, [g] is an archipelagic country in Southeast Asia. In the western Pacific Ocean , it consists of 7,641 islands , with a total area of 300,000 square kilometers, which are broadly categorized in three main geographical divisions from north to south: Luzon , Visayas , and Mindanao .