Spojení dvou vět

mám za ukol propojit dvě věty k sobě a nejsem si jistá, zda to mám dobře, prosím o kontorolu

1. but weather or congestion have
2. maglev runs on eletricityproducting
3. the speed and the distance
4. there is no engine and their
5. maglev trains use a combination
6. they travel on raised

a)no pollution on vehicle
b)of magnetic attraction and magnetic repulsion
c)little effect on the running of the vehicle
d)guideways above the city
g)are no wheels or rails
f)no pollution from the vehicle

myslím, že to bude 1a, 2d,3c,4a, 5b,6f

1. the first plastic billiard
2. there first plastic were made
3. using petroleum and natural gas led
4. the problem with the early of cellulose in the mid
5. you can produce household and industrial
6. some companies are now able to

e) make bioplastics from the starch in wheat
f) balls were made of coated celluloid
g) items cheaply
h) eighteen hundreds
i) to the development of many different plastic
j) plastics was that you could not make things to a hight standart of quality

řekla ybch že 1f,2e,3g 4h, 5g, 6j