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Biology; Chemistry; Physics: Post your doubts here!

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i just DO NOT knw hw to check my answers from marking schemes. ugh! iv asked this ealier too, but I stillc an't get this A1 B1 C1 thing. Some one please help. here is the question paper http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_qp_21.pdf. question 2 part b sub part 1. here is what the marking scheme says, http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_ms_21.pdf. and this is what I wrote: The resistance between water and the board is equal in magnitude and opposite in direction of the force exerted by the wind to force the sail forward. How many marks do I get??
 
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can anyone help me..

1. Functions of the parts of brain included in syllabus.(medulla,hypothalamus etc..)

2. Can I get any practice worksheet for moles.
 
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cerebral hemisphere:intelligence memory voluntary actions sensations
hypothalamus : regulation of temp osmotic pressure appetite emotions
pituitary gland : secretes a number of hormones
optic lobe : concerned with sight and movement of eyeball
cerebellum : mascular co ordination and bodily balance
medulla ablongata : rate of heart beats and breathing movements
can anyone help me..

1. Functions of the parts of brain included in syllabus.(medulla,hypothalamus etc..)

2. Can I get any practice worksheet for moles.
 
Messages
343
Reaction score
220
Points
53
i just DO NOT knw hw to check my answers from marking schemes. ugh! iv asked this ealier too, but I stillc an't get this A1 B1 C1 thing. Some one please help. here is the question paper http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_qp_21.pdf. question 2 part b sub part 1. here is what the marking scheme says, http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_ms_21.pdf. and this is what I wrote: The resistance between water and the board is equal in magnitude and opposite in direction of the force exerted by the wind to force the sail forward. How many marks do I get??
guys????????
 
Messages
5,330
Reaction score
11,839
Points
698
cerebral hemisphere:intelligence memory voluntary actions sensations
hypothalamus : regulation of temp osmotic pressure appetite emotions
pituitary gland : secretes a number of hormones
optic lobe : concerned with sight and movement of eyeball
cerebellum : mascular co ordination and bodily balance
medulla ablongata : rate of heart beats and breathing movements
thnks dude,
paka na, there's nthing else except these in syllabus..?


it's better tht u do. N fr moles, jst do past papers.
thnks for the suggestion, will do frm classified ;)
 
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