The gravitational attraction between two objects in the solar system is greatest when their masses are*

Cosmic background radiation detected from all directions in space provides evidence for the*

Which characteristic is directly related to a planet’s average distance from the Sun?*

The frequency of Earth’s cycle of ocean tides is primarily controlled by*

What is the approximate altitude of Polaris when viewed from New York City?*

The diagram below represents a large Foucault pendulum that has been in motion over an 8-hour period. The arrow labeled X represents the apparent change in the direction of swing over time.

This apparent change in the direction of swing is evidence that Earth*

Which observation provides the best evidence that Earth orbits the Sun?*

The diagram below represents two columns, A and B, that were used to determine the infiltration rate and water retention of two different particle sizes by pouring equal amounts of water through each column.

Compared to column A, column B had a*

Which two factors will increase the rate of a stream’s flow?*

Which condition normally lowers the water table?*

What is the dewpoint when the air temperature is 28°C and the relative humidity is 47%?*

Clouds are formed when moist, rising air*

Specific heat is used to explain why different substances*

What is the approximate percentage of Earth’s history during which humans have existed, compared to the age of Earth?*

Which two mantle hot spots are located at midocean ridges?*