Answer: A - Terracing crop
Explanation: Terracing crop is a soil conservation strategy of growing crops on hill side by planting crops on graduated terraces perpendicular to the slope of the land . This method is useful in reducing soil erosion.
The answer to the question is c. elementary reaction wherein reactants are converted products in a single step. Elementary reaction is a chemical reaction wherein one or more chemical species directly react to form products with a single transition rate in a single reaction step.
Los europeos llevaban a un enemigo oculto a los indios: nuevas enfermedades. Los pueblos nativos de América no tenían inmunidad contra las enfermedades que los exploradores y colonos europeos traían consigo. Enfermedades como la viruela, la influenza, el sarampión e incluso la varicela resultaron mortales para los indios americanos.
Answer:
night terrors.
Explanation:
Night terrors refer to unexpected awakenings from non-REM sleep, which is characterized by extreme fear, panic and strong physiological arousal. Night terrors usually happen during stage four of non-REM sleep, which is the deepest stage of sleep and humans are least aware of outside stimulation.
Answer: c. Master status
Explanation:
Master status is known to be the position which a person is identified and recognized with. It is a status which a person earns due to the characteristics exhibited by him or her and which affect how people relate with him or her. It is of great significance in the existence of an individual because it makes him or her to be aware, conscious and understand the society in which he or she lives. Furthermore, it has great impact on the social identity of an individual. Thus, master status can be based on sex, religion, race, education, age, position and so on.
