Answer:
Different layers represent clouds made of gases that condense at different temperatures. The gases will condense to form clouds at different altitudes on different planets because the condensation of a gas requires a specific amount of pressure and temperature.
Answer:
Explanation:
Find x and y simultaneously and then find the magnitude whose formula is r = (x² + y²)½ or under root
Answer: El Salvador
Explanation: El Salvador has a population density of 303 people per square kilometer (785 per square mile).
Answer : scientists determine the absolute age of a rock in millions of years before present rather than just the age of the rock relative to the rock units around it. This information helps geologists develop more precise geological history models for the rocks and regions they study.
Explanation: