Questions

Goosebumps are caused by the contraction of the tiny muscles attached to hair follicles. These muscles are arrectores pilorum muscles.

Sunderbans is the name given to the dense impenetrable  tidal/ mangrove forest of Ganges-Brahmaputra delta because of abundant sundari trees found here.

Infosys has announced the launch of a digital platform offering learning and engagement experiences for engineering students.

InfyTQ is a free platform open to all engineering students in their third and fourth year. The platform encourages holistic development by imparting technical as well as professional skills and helps them become industry ready.

A pure solid and a pure liquid are definitely a single phase because they are so united, or homogeneous. This leads to a homogeneous mixture also being a single phase.

Hence, the option that cannot be considered a single phase is A. a heterogeneous mixture.