<span>Economies of Scale. This means as firms produce more their average costs fall. ...Brand Loyaly. Some firms have high degrees of brand loyalty. ...Geographical Barriers. Some Industries are specific to a certain area. ...<span>Patents.
</span></span>
A exoskeleton is a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection. Insects, crustaceans, and many other invertebrates have a hard outer case called an exoskeleton. This protects them against blows and predators, and keeps them from drying out
Answer: About 6%
Explanation: Over the course of a decade, about ten million Americans changed the way they identify themselves ethnically or racially. That is the main conclusion of a study that compared the information that 168 million people filled in the 2000 and 2010 censuses. Some reason why Americans did this changes were, mainly, personal decisions or government benefits.
The things you need to survive and to achieve a happy life: food, water, sleep, safety, shelter.
