Type the correct answer in the box. Spell all words correctly. What is the source of continuous heat and energy that we receive from the Sun? The chain reaction is the source of continuous heat and energy that we receive from the Sun.

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