Tag Archives: light

What do you need to wait for before proceeding on a green light?

Who has the right of way at an intersection with a 4 way stop? When two vehicles arrive at a 4-way stop at the same time, and are located side-by-side, the vehicle furthest to the right has the right of way. If three vehicles arrive at the same time, the car furthest left should continue […]

At what light intensity is there no net productivity?

What is the primary productivity process? Primary productivity is the process by which organisms make their own food from inorganic sources. These organisms are known as autotrophs, since they can use inorganic substrates and solar energy to carry out metabolic processes and build cellular material. What is the gross primary productivity? Gross primary productivity is […]

Why did my ceiling fan stopped working but light still works?

Do Lasko fans have a fuse? They have a non replaceable fuse and they insure that the user throws away the fan and buy another when they go out, very bad idea for the consumer. we had two Laskco tower fans we had to discard because the plug stopped working for no apparent reason,shortly after […]