Though titan has low gravity, it is able to retain an atmosphere because

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

Indicates how many people live in an area

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing