The regularity of el niño weather events is determined by:

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons

Which domain endings indicate websites that are most likely to be reliable sources? check all that apply. sites ending in .net