Potatoes need sun, water and soil
Mexico is directly south of the United States
Answer: Sweating when it is hot outside is an example of responding to the environment. Homeostasis is responsible for adapting our body to changes in the environment to help its survival.
Explanation: And if you need anything else my friend just ask away :)
Answer:
Untouchables - Considered subhuman, did worst possible work.
Untouchables exist outside the caste system of the Hindu religion because they are considered so low that some think them subhuman. As a result they are regularly subjected to abuse but there have been efforts to change their situation in recent years.
Brahmin - Priests and learned people.
This is the highest caste/ verna and consists of Priests, Advisors and learned people.
Shudra - Peasants and laborers
This is the lowest/ fourth caste and as seen, consists of Peasants and laborers. They do the menial work.
Vaishya - Farmers and merchants
This is the third highest caste/ verna. Consists of Farmers, traders and merchants.