Archive for the ‘environment’ tag
Sea Water
Sea Water
Why is it so commonly claimed that blood is almost like sea water in schools?
I looked at a chart of chemicals in sea water and blood and apart from both being salty and having mostly water, the other chemicals were off by at best a factor of 2 and at worse not even remotely close.
So how does this stuff find its way into science curriculem in public schools. Is it uncritical overzealousness to push sea to land evolution without enought evidence or what?
in my school in science we were told blood was most similar to sea water which overstated the case for evolution
blood consentration/ sea water consentration
SOdium 1/3
CLorine 1/6
Potassim 2/3 ok closer than i thought
calcium 1/8
magnesium 1/6
phosphorus 400/1
iron 250/1
copper 1000/1
zinc 200/1
chronium 5500/1
bromine 1/15
flourinne 1/13
boron 1/5
selenium 900/1
not really even close
"Sometimes evolutionists claim that our blood has very similar element composition (sodium, chlorine, etc.) to seawater and this they attribute to our ancestors evolving in the oceans eons ago. Various popularisers of evolution have made this claim. For example, Robert Lehrman, in The Long Road to Man (Fawcett Publications, 1961)"
At one time President John F. Kennedy said that our blood and seawater were similar. All this is flat out wrong but popular people and their errors are hard to get away from.
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Salt water aquarium first aid kit is an integral part of the equipment is, when you are setting up salt water aquarium tank in your house. This will allow you to easily cope with any emergencies as they arise in a tank in your house.
This kit will help if you suddenly find yourself in a situation where you need to be partially or completely to replace the current water in the tank. In addition, you'll be ready deal with a situation where one or more of your fish suddenly became ill.
The first thing you need to buy for your saltwater aquarium first aid kit quarantine tank. It can be used to isolate those fish that are sick, and it gives you time to then determine exactly what disease or condition they have. Use of this tank will be to ensure that no other fish in the main marine aquarium really is sharply reduced.
The second thing you need is a good quality test kits help you to identify and help preserve the right of nitrate, proteins and salts within the water levels. Using this kind of test will help you prevent any problems, or biological contaminants from the Getting Started in the tank.The next element that must be in the kit to prevent any adverse problems in your aquarium water is an air conditioner. This allows you to destroy any ammonia, which was built in the marine aquarium. Also, you should use it if you intend to add any poisonous fish in your tank, which can release their venom when placed in a tank. The water conditioner is a product that will help neutralize the toxicity of the poison immediately.
If you can afford it, buy a product known as alkalinity and pH of the buffer. This allows you to bringthe pH level in the tank to return to a normal level, when you happen to be changing some or all of the water. However, along with a buffer, it is necessary to dissolve some baking powder into the water. For every 20 liters of water in your aquarium, it is necessary to dissolve one teaspoon of baking powder.
While preparations are well kept in the medicine chest to help heal the sick fish in the aquarium, they can actually be harmful to other things such as reefs in the tank. Plus, they can also cause damage to the filtering system of marine aquarium. Rather, what you should do is remove sick fish from your main aquarium, as well as provision of medicines for them when they were placed in a quarantine tank.
Another very significant piece of equipment you need as part of the aquarium tank saltwater kit, it is a few more sea salt. Remember there will be times when you need to add fresh water in the aquarium, and ensure that it has the right levels of salinity, which is now your tank, you need to mix in enough sea salt to make it.
Finally, it is your investing some money in a spare heater for your aquarium tank salt water, along with the filter canister of the tank. Although the last paragraph is not necessary, they are very inexpensive to buy and can be very useful when you need to clean the water in the aquarium, after this medication for your fish.