Which statement best describes electrons?
a. electrons have a positive charge.
b. electrons reside in the nucleus.
c. electrons orbit around the nucleus.
d. electrons are composed of protons and neutrons.

Aphids are tiny insects that feed on plants. ladybugs are to plants because they eat aphids. which type of organism are aphids in this scenario? co decomposers predators prey producers

What are some characteristics of a free enterprise economy?

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