Answer:
The correct response is "Internal validity".
Explanation:
- Internal validity would be the extent through which a record an accounting a reliable reason as well as effect correlation among both medications as well as consequence.
- Perhaps it speaks to the fact that the original study ends up making it achievable to help reduce possible causes for something like a discovering.
They changed over time by finding the right ingredients such as iron, metal, or steel to forge different creations. They took so slowly because no one was discovered the things to make stone tools.
<span>Monopolies affected small businesses by forcing them to shut down. A small business cannot compete with large companies, especially their ability to buy goods in bulk. When a company buys goods in bulk, it is able to negotiate a better price. Small businesses cannot do this because they don't have access to as much capital as large businesses do. The Gilded age lasted from 1870 to 1900. It was a volatile time in the history of America. The Industrial Revolution had spread offering opportunities for many people to make a lot of money but, at the same time left many farmers and workers struggling for survival.</span>