“...them.” (line 5) refers to “...advisors...” (line 3).

“which...” (line 24) refers to “discussions...” (line 23).

“Many...” (line 35) refers to “...members...” (line 33).

“They...” (line 40) refers to “...hazards” (line 36).

“...whom...” (line 51) refers to “...ailments,” (line 49).

it is neurologically harmful for the family of workers in oil rigs.

the health risks associated with oil prospection are completely unpredictable.

the damages it causes on the environment are intrinsic to the way oil is being explored.

direct exposure to the chemicals it contains can cause different kinds of health disorders.

all of the risks associated with the oil production are known but are not made public.

in case.

assuming that.

supposing that.

in the event that.

despite the fact that.

face – revealed.

seek – deduced.

examine – adverted.

investigate – estimated.

glance at – mentioned.

Dr. Maureen Litchveld feels that it is important to learn more about the immediate and future effects of oil extraction on the workers and surrounding population.

Dr. Nalini Sathiakumar considers that the civilians in the neighboring cities do not need to worry about seafood being contaminated.

Dr. Jeff Kalina believes that production workers involved in the field where the oil spill occurred run the risk of suffering from respiratory problems.

Dr. Robert Emery speculates whether the workers in the field of the disaster might need other devices to prevent further health problems.

Dr. Paul Lioy remarks that not all volunteers cleaning up the damage to the environment have received proper training on how to deal with such situations.

criticize the inefficient transportation of supplies during stressful events.

announce a study to identify an effective strategy to distribute goods and services in emergencies.

alert society about the arguments against the delivery of humanitarian aid during natural disasters.

report on a computational model to speed up the shipment of perishable products through clogged roads in summer.

argue that the building of alternative highways is paramount to a more efficient distribution of supplies in everyday situations.

congestion

delivery delays

computer supplies

disrupted roads

loss of products

classify all the economic risks Brazil will certainly run if it insists on extracting oil at great depth.

suggest that Brazil could soon be ranked as one of the four main oil producers in the whole world.

argue that Brazil should try to avoid potential dangers associated to its recent deepwater oil discoveries.

report on the rising tensions between China and Brazil over the manufacturing sector of the world economy.

announce the expected growth of the oil industry in Brazil, Nigeria and Venezuela in the coming decades.

may open new markets for the Brazilian technological sector of oil extraction at great depth.

may justify Petrobras’ plans to reduce the development of its research center.

is surely leading Brazilian engineers to work for African countries rich in natural resources.

will pay immediate dividends in the challenging sector of geology and oil exploitation.

can explain why Petrobras is spending $800m - $900m to extract oil at great depth.

in “It looks and smells like ordinary crude oil.” (line 5), it refers to “beaker” (line 4).

in “The danger for Brazil, if it fails to manage this windfall wisely, is of falling victim to ‘Dutch disease.’ ” (lines 28-29), it refers to “danger” (line 28).

in “... Brazilian engineers see it as a new frontier.” (lines 59-60), it refers to “coast” (line 58).

in “making it harder for Brazilian exporters of manufactured goods.” (lines 75-76), it refers to “stream” (line 75).

in “ ‘it’s just going to be starved for those resources,’ says Harvard’s Prof Rogoff.” (lines 81-83), it refers to “China” (line 81).