Qualification > Sciences
CHEM AND BIO HELP AND TIPS HERE
Raywin:
--- Quote from: aangel42 on June 07, 2010, 06:13:31 pm ---Thanks Raywin and SNA, I appreciate the efforts!!
I'm sure the herbicides and pesticides would have the same effect in water as on land? Can someone confirm this, and thanks again!
--- End quote ---
Hmm, fertilizers would have but im not sure about herbicides and pesticides.. :/
Raywin:
Guys, imma go off now.. :) its late night here and i need to catch up on some sleep.. ;D so good luck for everyone doing bio p1 tomoz!! ;D
Ivo:
--- Quote from: 8T on June 07, 2010, 05:57:25 pm ---Could someone someone temme which is the correct answer please , it has always confused me??
--- End quote ---
D, S->R->P->Q. Blood from muscles in leg flow through vena cava to right aorta then left ventricle, then goes to pulonary artery to lungs (not shown) then arrives by pulmonary vein then into left aorta then left ventricle.
SNA:
--- Quote from: aangel42 on June 07, 2010, 06:13:31 pm ---Thanks Raywin and SNA, I appreciate the efforts!!
I'm sure the herbicides and pesticides would have the same effect in water as on land? Can someone confirm this, and thanks again!
--- End quote ---
hey gud news! i checked the exam syllabus, only need to know:
-describe the importance of:
• nitrate ions for protein synthesis
• magnesium ions for chlorophyll synthesis
- describe the uses, and the dangers of overuse,
of nitrogen fertilisers
8T:
I'd appreciate it if someone could give me answers for he four questions attached pleaseeee :)
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