What is considered a sustainable fishery? Sustainable fishing respects marine ecosystems and adapts to the reproductive rate of fish to maintain a balance and ensure the survival of all species. Sustainable fishing rejects the indiscriminate capture of fry and endangered species or those without commercial value. What are four ways fisheries can be managed for […]
What is concrete raw materials needed?
What is concrete raw materials needed? Cement is the essential ingredient in concrete. It is a fine powder that acts as the glue that holds concrete together when mixed with water, sand and aggregates. Cement is manufactured by heating a precise mixture of finely ground limestone, clay and sand in a rotating kiln to temperatures […]
How do you know if something is in equilibrium?
What is the minimum thickness of a soap bubble needed?
What is the minimum thickness of a soap bubble needed? 141nm . What is the maximum thickness of a soap bubble? 100 nm What is the minimum thickness of a thin film required for destructive interference? Destructive interference would also occur with the film thickness being equal to 1 wavelength of the wave in the […]
How many outlets can you run off a GFCI?
How many outlets can you run off a GFCI? Circuit (volts) 120 120 Circuit (amps) 15 20 Circuit (VA) 1,800 2,400 Outlet (VA) 1,800/180 2,400/180 Total Outlets Allowed 10 13 What causes the GFCI to trip? Most often, when a GFCI “trips” it is the result of a faulty appliance plugged into the outlet or […]
Will heating metal weaken it?
Will heating metal weaken it? This simple act, if heated to an exact temperature range, can create a more pure, hard metal. It’s often used to create steel that is stronger than annealing the metal, but also creates a less ductile product. So, heat can indeed make metal weaker. Does annealing make metal stronger? Annealing […]
What should you do if your vessel capsizes 100 meters from shore on a busy lake?
What are the dangers of lifting weights?
What are the dangers of lifting weights? Lifting weights that are too heavy can cause muscle and joint damage. Doing so can also cause spinal injuries such as herniated discs. In extreme cases, heavy lifting can even tear a heart artery , which could result in death. What happens if we lift heavy weights? Heavy […]
Is C2 a para?
Is C2 a para? In paralympic sport, C2 is a para-cycling classification. Is C2 2+ stable or unstable? Answer. According to molecular orbital theory, He2 cannot exist as a stable diatomic molecule due to there being 2 bonding and 2 antibonding electrons. Is C2 stable or unstable? c2 molecule exist in space as gas, but […]
Why is cast iron not weldable?
Why is cast iron not weldable? It is possible to weld cast iron, although it can be problematic due to the high carbon content. This carbon content is often around 2–4%, which is about ten times that of most steels. Which cast iron is Cannot be welded? This depends on microstructure and mechanical properties. For […]