Answer:
The answer is A. a tissue
Explanation:
Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.
Im thinking its D. bcuz all three A. B. C. are true
A:True. B:True. hope this helps
the <em>sun's corona</em> is only visable when there is a solar eclipse