Why are binary cycle geothermal plants considered more environmentally friendly compared to dry steam and flash steam? * A. Binary cycle geothermal plants do not produce any emissions compared to dry steam and flash steam.
B. Dry steam and flash steam do not produce any emissions compared to binary cycle geothermal plants.
C. Binary cycle geothermal plants produce fewer earthquakes.
D. Binary cycle geothermal plants produce more hydrogen sulfide and arsenic.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Bisphenol a (often called bpa) is a chemical found in products that people use every day, from water bottles to food containers to children's toys. unfortunately, bpa leaches out of its many products and makes its way into our bodies. what are the health effects of bpa exposure? ongoing research is finding that elevated exposure to bpa can affect a wide variety of developmental and physiological processes, but one of the first studies of bpa's health effects came about because of a simple mistake in the lab. at a laboratory at case western reserve university in 1998, geneticist patricia hunt was making a routine check of her female lab mice. as she extracted and examined developing eggs from the ovaries, she began to wonder what had gone wrong. she noticed that many of the eggs showed problems with their chromosomes, and some had irregular amounts of genetic material, which can lead to miscarriages and birth defects in mammals. she learned that a lab assistant had mistakenly washed the plastic mouse cages and water bottles with a harsh soap, releasing bpa from the plastic. knowing that bpa is an endocrine disruptor, a chemical that can enter organisms and mimic hormones, hunt set out to discover whether it had adversely affected her mice.

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?