Questions

A change in which no new substances are formed is called _____________.

Features and habits that help animals to adapt to their surroundings are a result of the process of ______________.

___________ being a higher category, is the assemblage of families which exhibit a few similar characters.

If goods A and Z are complements, an increase in the price of good Z will _____.

____________ is a cold desert lying in the Great Himalayas.

A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/sq.s)

Propagation of sound can be visualised as propagation of ____________ variations in the medium

Choose the most appropriate answer:Natural radioactivity was discovered by