Can you Help plzzz ASAP thank you Look at the information below:

Replacing old cars
Using natural gas vehicles
Removing lead from gasoline
Expanding public transportation
Relocating factories and refineries
Which problem is being addressed by all the actions listed in the box?

Group of answer choices

A. pollution from oil production in Venezuela

B. air pollution in Mexico City

C. the death of coral reefs in the Caribbean Sea

D. the destruction of the rain forests in Brazil

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

Many members of the civilized tribes farmed

In writing about her findings in a brazilian shantytown, nancy scheper-hughes’s account of alto do cruzeiro provides a window into the terrible toll of nonconsensual organ harvesting among the poor, as well as how she herself changed over time. how might an anthropologist justify the publication of this ethnographic research when considering the problem of ethnographic authority? a. all of the poor must be given an equal voice, thus polyvocality is justification. b. anthropologists are themselves changed in fieldwork, and so honest reflexivity is justification. c. the horrific conditions made it impossible to ignore, and since she obtained informed consent, this is justification. d. authoritative writing asks us to consider what right we have to report, thus a moral challenge is justification.