In species, variations that offer survival advantages are naturally selected. Individuals adjust to their environments with the help of these selected variations and consequently these variations are passed on to...
Correct Answer is: (d)
Sound is transmitted by particles (atoms or molecules) in a solid, liquid or gas colliding with each other. It is a wave which is created by vibrating...
Archaebacteria (Thermophiles) are ancient forms of bacteria found in hot water springs and deep sea hydrothermal vents. They are able to survive in high temperatures (which far exceed 100°C) because...
(i) Since x + y contains two terms. Therefore it is binomial.
(ii) Since 1000 contains one terms. Therefore it is monomial.
(iii) Since x + x2 + x3 + x4 contains four...
(i) No country in the world is self-sufficient in all its needs. Surplus goods can be exchanged via International trade and needs fulfilled.
(ii) International trade helps in exchange of surplus...
(d) cannot be compared with its value in water.
EXPLANATION:
The velocity of sound in a fluid is given as V =√(B/ρ) where B is the bulk modulus and ρ is the...
(i) Certain groups of weavers were in a better position than others to survive the completion of mill industries. Amongst weavers, some produced course cloth, while others wove finer varieties.
(ii)...
