Answer:
These phases took place before 40,000 BCE. During the Lower paleolithic period, human made tools by flaking and chipping flint pebble into blades scrapers with sharp edges. The crude tools found during the Lower and Middle phases were not considered art and were intended for practical purposes like hunting.
Step-by-step explanation:
The paleolithic Age is the first period of human history, lasting from the beginnings of humanity through the ice age sometime around 10,000 BCE. The paleolithic age is the beginning of a larger period called the Stone age, which, as you might guess, is named for the use of stone as the main material for tools - though other basic materials like wood, bone, and antler were also used. The paleolithic Age is divided into three different sub-periods, which together span a period of up to 3 million years, though many scholars disagree on the dating.