What is the best classification of this fossil, and during which geologic time period did the organism that produced this fossil exist? 1
2
Classification: Coral
Geologic time period: Permian
Classification: Coral
Geologic time period: Ordovician
Classification: Trilobite
Geologic time period: Permian
Classification: Trilobite
Geologic time period: Ordovician
3

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

How does the bare soil surface type affect the amount of runoff