Answer:
he body's first line of defense against pathogens uses mostly physical and chemical barriers such as sweat, skin, tears, mucus, stomach acid, and so on.
Explanation:
Because with maps they knew where to go , without them they will be lost
Answer:
Its economy runs on recycling and reusing waste. With the amount of money they earn from each industry, it goes to show how much companies could benefit from sustainable waste management systems. ... With 15,000 factories dedicated to recycling and sorting Mumbai's waste, Dharavi employs 250,000 people just for this.
Explanation:
The Answer is 1)Switzerland
The caste system is a rigid social hierarchy based on ethnicity in Hindu society. A democracy is government by the people, where power is often exercised through elected representatives. In a caste system, certain voices are valued more than others, while in a pure democracy, all voices and votes are equal. The caste system is not a system of government, though, so it is inaccurate to make a comparison.
