231pWhat becomes clear about Dr Vasudevan from paragraph 1?

He has been investigating the use of plastic for many years now.

He has doubts about the impact of plastic on the environment.

He is developing economical methods for manufacturing plastic.

He sees plastic as a material that has a lot of potential.
241pWhy did Dr Vasudevan start looking at new uses for plastic, according to
paragraph 2?

He believes the material is here to stay and should be accepted as a
fact of life.

He dislikes how tons of the material unnecessarily end up being
dumped.

He feels that the material is unfairly blamed for all sorts of pollution
issues.

He is convinced we have left it too late to try and ban the use of the
material.

He thinks the material is of vital importance for vulnerable population
groups.
262pGeef van de volgende beweringen aan of deze overeenkomen met de
inhoud van alinea’s 3 en 4.
Noteer ‘wel’ of ‘niet’ achter elk nummer op het antwoordblad.
1 Dr Vasudevan deed per ongeluk een revolutionaire ontdekking.
2 Dr Vasudevan mengt plastic met materiaal dat vergelijkbare
eigenschappen heeft.
3 De techniek die door Dr Vasudevan is ontwikkeld, levert een wegdek
op dat langer meegaat dan een wegdek van gewoon asfalt.
4 Wegen die zijn gemaakt van het materiaal dat ontwikkeld is door
Dr Vasudevan kunnen goed tegen grote temperatuurschommelingen.
271pWhich statement about Dr Vasudevan’s technology would both Almitra
Patel (paragraph 5) and Dr Noreen Thomas (paragraph 6) agree with?

It is of limited use considering the fact that processing the plastic is
quite a dirty process.

It is promising provided that the process is improved.

It is unlikely to become successful given the sophisticated equipment
needed for it.

It is unrivalled in its simplicity and economic efficiency.