Explanation:
Federalism is a system of government in which the same territory is controlled by two levels of government. Generally, an overarching national government is responsible for broader governance of larger territorial areas, while the smaller subdivisions, states, and cities govern the issues of local concern
Answer:
Arteries and veins
Explanation:
Xylem and phloem ,vein and arteries both carry nutrient and mineral in the plant and animal.
It was invented by the ancient egyptians who began growing plant in containers
Answer:
The Premack principle
Explanation:
Given by David Premack in 1965.
This principle is based on Operant Conditioning (reinforcement).
The Premack principle states that the chance of getting involved in more predictable activities or behaviors will reinforce less predictable activities or behaviors.
In the given eg. Jean is applying reinforcement, as he asked her daughter that she can play outside after eating fruits.