Over the past two hundred years, cities around the world have grown. the rapid population increase and industrialization of urban areas have, in turn, had a great impact on the local environments.

urban governments have been concerned with all but one of the following environmental problems. that is
a) contaminated run-off.
b) reduced precipitation.
c) insufficient garbage collection.
d) air pollution from factories and vehicles.

Rue or false siblings look simila rbecause they each have some traits of their parents.

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.