Answer:
The earliest stone tool making developed by at least 2.6 million years ago. The Early Stone Age began with the most basic stone implements made by early humans. By 200,000 years ago, the pace of innovation in stone technology began to accelerate. Middle Stone Age tool kits included points, which could be hafted on to shafts to make spears. During the Later Stone Age, the pace of innovations rose. People experimented with diverse raw materials the level of craftsmanship increased, and different groups sought their own distinct cultural identity and adopted their own ways of making things.
Explanation:
Pavlovian Conditioning, because it is off of Pavlov's dogs, who discovered that creatures can associate things subconsciously with other things (such as having a bad meal on a first date, you may now associate moldy food with that person).
The <span>knapp's stages of relationship termination in which couples tend to </span>decrease both the quality and frequency of their interactions is: <span>Circumscribing
During this stages, couples tend to limit every interaction possible with another due to their unconscious desire to stay apart from one another</span>
The correct answer is that "Many Nations utilize commercial radar on their naval ships, which may lead to misidentification".
Electronic Warfare Sensors alone are not enough to identify threats efficiently, if a ship misidentifies another nation's naval ship, it may result into a war or an argument between the two nations, which is why Electronic Warfare Sensors alone are not efficient enough to detect threats,
