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Anybody know what formulas/computations might come up on a test? I was at the Wright State University invitational a week and a half ago and there were definitely some questions that involved some type of formula that you had to know, but I can't remember what the questions were asking. The only thi...

Several possibilities. Firstly, 9 volt batteries don't hold all that much charge, so you could be encountering that as you suggest. Secondly, how are you completing the contact with the wool? I saw one yesterday which basically rammed the wool with the battery, contacts first. This is not a reliabl...

Sorry to jump into the conversation, but my partner and I are having lots of difficulty with one of our ETS. We're trying to connect a circuit which is connected to a bundle of steel wool wrapped around fishing line. We need the steel wool to catch fire, burn the fishing line, and then the fishing l...

Also the coral should be in shallow water for it to grow the best. An ideal temperature for a coral reef is between 68-90 degrees Fahrenheit or 20-32 degrees Celsius. For salinity it is best for it to be 34-37 parts of 1000. Coral also needs very clear water to grow so that sunlight can reach it ea...

This is pretty mild compared to others, but at states last year the proctor for Water Quality accidently printed off the answer document for the previous year's test instead of the current year's answer document. We were just about to start the exam when he noticed. Unfortuantely we had to just scra...

I hope this isn't bad forum etiquette, but we need to get this question marathon rolling again.

Q: What are the ideal conditions for a coral reef? (in regards to water temp., salinity, turbidity, etc.)

c-trast wrote:

megan wrote:What are the two types of ways that we can classify estuaries?

Not entirely sure. (Click to Show Hidden Text)

Based on water circulation, and based on geomorphology?

Correct Your turn!

What are the two types of ways that we can classify estuaries?

My answer|Mutualism: when both organisms benefit, ex: humans and bacteria living in their digestive systems; Commensalism: when one organism benefits and the other is not affected, ex: barnacles living on a whale; Parasitism: one organism benefits and the other is harmed, ex: cowbirds lay their egg...

I'm sad that Water Quality is gone, but I have a feeling this event will make up for it