Following points is the importance of universal law of gravitation :
(A) It helps us understand how planets move around the sun.
(B) It aids in figuring out the path of celestial bodies and forecasting their movement.
(C) It also helps us understand rainfall and how water moves in oceans, rivers, and other bodies of water.
In Fig. 9.26, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∠ BEC = 130° and ∠ ECD = 20°. Find ∠ BAC.
Look up the dictionary entries for the words sympathy, familiarity, comfort, care, and surprise. Use the information given in the dictionary and complete the table.
Noun, Adjective, Adverb, Verb, Meaning:
sympathy
familiarity
comfort
care
surprise