How much silver will be produced in the future depends on many factors, including the rate of production of other metals and future uses of silver. Industrial demand for silver appears to be steady overall. Because silver naturally occurs with other metals, future production is linked to the ...
your estimated annual solar energy production by multiplying your solar panel's wattage by your production ratio. For example, a 450-watt panel in California will produce about 675 kWh in a year, or about 1.8 kWh daily. That's enough energy to power some small appliances without too much ...
Common opal: Pictured here several varieties of common opal that include pink opal from Peru, yellow opal and dendritic opal from Nevada, and olive opal from Kenya. ADVERTISEMENT How Are Tumbled Stones Made? Tumbled stones are made in a machine known as a rock tumbler. The most commonly used...
For this reason, when comparing solar panels by price, it’s beneficial to do so on a price-per-watt rather than a price-per-panel basis. That way, you’ll balance the cost price of the panels against how much electricity they can provide and your available installation space — such as...
How Much to Sell Lemonade For? 💲 Based on the size of the cup used to serve customers and the location of the business, kids can bring in anywhere between $1.00 and $5.00 for each sale. Over a full day in a heavy-traffic area, a kid could see between 20 and 50 customers, resul...
It's also less risky for the SAR teams and doesn't cost as much money. The 10 percent of missions that involve a search cost the Coast Guard more than $50 million each year [source: U.S. Coast Guard]. The mission of any Air/Sea Rescue (ASR) team is simple: get people out of ...
In many states, the top-ranked schools have 100% of their students testing proficient, while in states like New York and Maryland, the top-performing schools have much lower proportions of proficient students. This is likely because of the differences among states’ exams – not due to the ...
But does it really work? Studies are mixed on the effectiveness of cloud seeding in different environments. One problem is that it’s difficult to determine whether clouds are going to produce rain anyway. Did it rain because it was always goi...
(NBA players with above-median performance are paid 17.5 million US dollars a year, on average, which is almost three times as much as players below the median), this implies that racist pressures are not only detrimental to the performance and well-being of individual players but they also ...
How much solar panels can save you depends on a few things. How much electricity your panels actually produce is impacted by thedirection and anglethe panels face, how much sun your region typically gets and yoursystem's size. Your utility's policies, likenet metering, will have a big effe...