Analyst Questions

The atomic mass of an element depends upon the number of protons, electrons and neutrons in the atoms which make the elements.

When water is cooled from 4°C to 0°C, its density decreases.

When water cools from 4°C to 0°C, ice crystals begin to form because the water is approaching its freezing point. When water freezes, the water molecules form a lattice that increases the volume. As a result, the density decreases. This is why ice will float on top of water; ice has a lower density than the water.

Afghan-India Friendship Dam is previously called as Salma Dam between India and Afghanistan on Hari river.

Polypeptides are assembled from Aminoacids.

The caves of Ajanta are famous for paintings.