Has anyone done any assessments on extraction of or in general any information
Gold
Silver
Predominantly
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I have been online and there are really complicated methods? In conquering chemistry preliminary there is a way of solving in the book but i do not understand it. any one willing to explain, or suggest a method. Or would you just recommend memorization past calcium element.
How do root cells absorb mineral ions, if the cell membrane is made up of lipids which do not let negativity or positively charged atoms to pass through. would they use carrier proteins..?
Identify the general word equation for photosynthesis and outline this as a summary of a chain of biological reactions.
How can you answer this dot point thoroughly. Include websites if you think it will help. I'm not too fused about the word equation, if the bold didn't give it away.
What is the difference between qualitative and quantitative research? Please give me some examples.
And also, if you're in the mood please list some advantages and disadvantages of each.
I need to study for a test, and there are two syllabus points on this. So urgent reply, please.
Has anyone does biology experimental reprt as follows:
plan, choose equipment or resources and perform a first-hand investigation to gather information and use available evidence to identify the following substances in tissues:
- glucose
- starch
- lipids
- proteins
- chloride ions
- lignin
if...
I am having trouble answering questions like:
Determine if x is a solid or liquid if it's melting point is -119 degrees Celsius and it is place in a room at 1 degrees Celsius.
Please try to explain the whole concept, or direct me to somewhere or someone who can help.
Looking for a chemistry and/or Biology tutor for Preliminary, and also someone who can continue with me onto Hsc.
Meet at my place, Near fairfield, liverpool, cabramatta.
Please give me a message :)