A. endoskeleton
Endoskeleton is not a characteristic of Arthropods that has attributed to their diversity and success. Endoskeleton is defined as inner characteristics of the skeletal feature of an organisms such as bears, humans, fish and etc.
Exoskeleton on the other hand is the trait by which arthropods posses. It is skeletal feature that is described outside or is extrinsic, this is evident as crabs have their skeletons outside of their body.
Answer: A
Explanation: gravitation keeps moon in circular orbit.
Without gravitational force Moon would move in
Linear path.
The reasoning behind this could be a part of personal beliefs and or the opinion of that person viewing it as animal abuse. this point of view is based on the individual.
