Hydrogen
Iron
Aluminum
Copper
Sodium
Carbon
Silver
Mercury
Gold
Lead
........
Resultant force = mass × acceleration, therefore acceleration = resultant force ÷ mass
Resultant force = 19 - 1.7 = 17.3 N
acceleration = 17.3÷2= 8.65 ms-2
Answer: The cell membrane is selectively permeable.
Explanation: going thru last year notes
All the emissions go in to the atmosphere and that causes the ozone layer to open up more and let radiation in. the effects are that they pollute the wild life around it and the people that have to dig it up destroy the natural habitat