A moving object on which no forces are acting will continue to move with constant
A) acceleration.
B) impulse.
C) momentum.
D) all of the above
E) none of the above
C
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Gross domestic product is ________
A) all the resources necessary to produce the ecosystem services B) a measure of a country's economic standing C) cost of services minus the economic value of enhancements or degradation to the environment D) the willingness of consumers to pay for ecosystem services E) the total economic value of goods and services produced by a country
Easterly waves occasionally intensify into ________
What will be an ideal response?
Which statement about the Gulf of Mexico's dead zone is false?
A. The dead zone dissipates in fall with the arrival of storms and cooler weather. B. The Gulf of Mexico is stratified, with warmer, oxygen-rich water on top and cooler, low-oxygen water on bottom. C. Most oxygen in the bottom layer is consumed by bacteria decomposing algae. D. Engineering and wetland degradation contribute to dead zone formation. E. Negative effects from the dead zone are short-term and confined to the immediate area.
Which of the following characteristics must be true in order for a trait to be impacted by the forces of natural selection and then play a role in the process of biological evolution?
a. The trait must be the result of environmental conditions. b. The trait must be genetically based. c. The trait must impact the social rank of its possessor. d. The trait must be a physical characteristic of the organism. e. The trait must be a behavioral characteristic of the organism.