Questions

Jean Piaget was a cognitive psychologist who identified four stages of development: the sensorimotor stage from birth to 2 years, the preoperational stage from age 2 to age 7, the concrete operational stage from age 7 to 11, and the formal operational stage from age 11 to adult. He identified milestones that occur at each stage.

According to Piaget, the main task of the sensorimotor stage is for the child to learn the concept of object permanence, use senses and motor skills to understand the world.

Dehydration is a loss of body fluid that impairs normal bodily functions. Serious dehydration may cause muscle cramps, reduced blood volume and increased heart rate.

Here in the given options, Gold is a malleable substance.

Malleable substance means a metal or a material able to be hammered or pressed into shape without breaking or cracking. i.e, tensile.

Windheok is the capital of Namibia

1. India's military expenditure grew around 8.5 percent in 2016, making it the world's fifth largest spender at $55.9 billion, figures released by the Stockholm International Peace Research Institute (SIPRI).

2. As per the figures, the US remains the world's largest military spender registering a growth of 1.7 percent between 2015 and 2016 to $611 billion.

3. China is second and Russia is on the third position in the list.

Progeria is a rare genetic disordr which involves symptoms resembloing aspects of aging, manifested at a very early age.
The term is often used in reference to Hutchinson - gilford progeria syndrome(HGPS).