What type of vegetation would you find in a steppe region?
a. hardwood forest
b. rainforest
c. short grasses
d. no vegetation at all
c
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Homeowners living in a heavily forested region surrounding a small 3-acre pond in Missouri decided to reduce air pollution in their neighborhood
In the fall, after the oak and maple leaves had fallen, the homeowners blew all of the dead leaves into the pond. About 8 months later, in July, they noticed a large number of dead fish in the pond. What is the most likely cause of the fish kill? A) The dead leaves released poisons that killed the fish B) The bacteria decomposing the leaves depleted the levels of oxygen C) Bacteria fed on the leaves and then the bacteria infected the fish D) Carbon dioxide from the decaying leaves reached toxic levels and killed the fish
What is one of the three principles of sustainability provided by economics, politics, and ethics?
A. a dependence on solar energy B. a focus on chemical cycling C. the degradation of natural capital D. a responsibility to future generations E. the ability to retain biodiversity
Responsible stewardship in the coming decades will require global energy policies that promote ________
A) productivity and economic prosperity in developing nations B) both sustainability and technological efficiency C) exploration for petroleum reserves in deeper areas of the oceans than were previously technologically possible D) the development of abundant and inexpensive fossil fuels such as shale gas E) additional exploration of shale oil and natural gas resources
At constant pressure the temperature of a 4.0 L sample of gas is decreased from 50. °C to 25 °C. What is the new volume of the gas sample?
A) 2.00 L B) 3.69 L C) 4.34 L D) 8.00 L