The recommended Ph for a community tank is 7.0 which is neutral between alkaline and acidic.
$2,967,000 is the recommended value to built an electric substation.
r18
Africa is a community oriented society. They place a high value of family. They value collectivism over individualism. They will sacrifice their own wants and needs for the community.
The density of freshwater is around 1,000 kg/m^3 at 4 degrees Celsius. This value can vary slightly depending on temperature and impurities in the water.
zhaa
if its a community with a high per capita income that is flourishing yes. If it is a community on the decline then no.
The world's largest freshwater fishery by dollar value is found in China, particularly in its extensive aquaculture operations. The country dominates global fish production, with a significant portion derived from freshwater species such as carp and tilapia. This sector plays a crucial role in both the economy and food security for the population. Additionally, China's investment in technology and sustainable practices has helped maintain its leading position in the freshwater fishery market.
8
The value of a freshwater pearl can vary based on factors such as size, shape, color, lustre, surface quality, and overall desirability. On average, freshwater pearls can range from $10 to $1000 or more per strand or individual pearl. It is recommended to have pearls assessed by a professional appraiser to determine their specific worth.
The words accepted value mean a quantity that is used by general agreement of the scientific community. The accepted value does not have to be the exact value, but is generally close to that value.
Lava rocks typically do not have significant monetary value themselves, but they are often used for landscaping and as filtration media for aquariums. The value would depend on the size, shape, and quality of the rock.
a quantity used by general agreement of the scientific community is accepted value.