Question

vocabulary question: what is an artifact?
artifact means a

comprehension question: what kinds of barriers did early humans face, and how might they have overcome them?

Explanation:

An artifact is an object made by a human being, typically an item of cultural or historical interest. Early humans faced various barriers such as harsh climates, predators, and limited resources. They might have overcome these barriers through innovation (e.g., creating tools), cooperation (working together in groups), and adaptation (learning to use available resources effectively).

Answer:

Artifact means a human - made object of historical or cultural interest. Early humans faced barriers like harsh climates, predators, and resource scarcity. They overcame them through innovation (tool - making), cooperation, and adaptation.