I want to say government or farming. Farming because it started a sort of trade and barter system, but government because it created regulations for a village lifestyle? I think it depends on what time period you're studying.
Answer:
copper
Explanation:
please mark me as brainlest
Answer:
Cognition
Explanation:
Behaviorism takes observable behavior into consideration and not cognition. Although behaviorists usually accept that cognitions and emotions exist, they rather avoid studying them as they consider that it is only possible to measure visible behavior in the framework of scientific and objective procedures. In this way, the resources to explain these internal events are behavioral terms.
Answer:
Friction
Explanation:
The basic definition of Friction is as follows: The force that resists the sliding or rolling of one solid object over another, also, the force that resists relative motion between two bodies in contact
This implies that there is direct contact interfering with the motion of one or more objects.
