The scientific method is described by which of the following?
A) a single, definitive linear method for doing science
B) a step-by-step guide done a single time during the initial testing of a scientific idea
C) the acceptance of supernatural explanations for phenomenon until science proves otherwise
D) irreproducible results accepted as theory
E) the development of hypotheses that are tested to aid predictions
E
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In the Northern Hemisphere, warm currents tend to flow from the ________. In the Southern Hemisphere, cold currents tend to flow from the ________.
A) south; south
B) north; north
C) south; north
D) north; south
What generates the heat necessary for convection in the Earth?
A) Volcanic eruptions B) Friction between moving slabs C) Chemical reactions between geologic materials and hydrothermal fluids D) Decay of radioactive materials
The solstice occurs only once a year
Indicate whether the statement is true or false
Carbon dioxide concentrations in the atmosphere have been increasing steadily since the beginning of the industrial revolution and may double by the middle of the next century. Why is this of concern?
What will be an ideal response?