Answer: Due to reticular formation activation system
Explanation:
Reticular formation activation system is the system which is present in brain as small-sized pencil responsible for regulation of information between sensory system and mind.It invokes wakefulness in a person or sleep-wake transition through sending sensed information to make conscious .
According to the question, reticular formation activation system is responsible due to which parents got awake from sleep when fire broke as they received sensory information because it was their duty to protect children from fire whereas children are asleep as they are having sound and restful sleep through information sensed stimuli as parent will take care of the condition.
Explanation:
The Doon Valley is an unusually wide, long valley within the Sivalik Hills and the Lesser Himalayas, in the Indian states of Uttarakhand, Himachal Pradesh and Haryana. Within the valley lies the city of Dehradun, the capital of Uttarakhand state.
Answer:
Three different ways through which religions form are as follows:
- <u>Response to human fear: </u>It is said that people created first religion to give people a feeling of security in an insecure world due to natural disasters.
- <u>Due to human evolution:</u> evolution of human from proto-humans have the ability to pass on their accumulated knowledge to their next generation and so they created religions.
- <u>Stories of human existence:</u> Different people came with their own story of human existence and created different gods and goddesses which leads to different religions.
Desertification has affected parts of Africa as:
D. it has led to a decrease in land available for farming.
Explanation:
Africa has the biggest desert in the world : the Sahara which is ever expanding and there are other lands in the semi arid regions near the sub tropic too.
This is because of a combination of the geographic features of the sub arid regions, the less nutrient soil that is prone to desertification and the fact that the wind currents are aversion for constant precipitation.
This means that there is increasingly less farm land in the continent.