The answer is object permanence.
Object permanence refers to the ability to understand that an object is still present and physically exists even if it is hidden out of sight. In this example, your niece lacks object permanence since she does not understand that you are behind the blanket even though you cover yourself with it or you are temporarily.
Answer:
Arranged marriages account for an overwhelming majority of marriages. They keep in mind various factors, different for boys and girls, while searching for a rather let their parents choose their life partners, than choosing themselves. Arranged marriages became the most prevalent way of marriage in the country
Answer: The Moon has a diameter of 2,158.8 miles. It takes four Moons to equal the diameter of the Earth. The moon is 6,790 miles around at its middle. If you could drive a car around the moon at 75 miles per hour, it would take you about three and a half days to make the trip.
Explanation: can I get brainliest