What is a planet?
A
a large ball made of only rock
B
a large ball made of rock or gas
C
a
ball of hot gas that gives off light

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone