Out of following which are the appropriate explanations as stated by Cattell in his ‘gf’ and ‘gc’ theory of Intelligence?1. 'gf' is mainly determined by genetic factors.2. The speed of growth of 'gf' is very fast in early childhood and it starts declining in late adulthood - in late twenties.3. 'gc' separates itself from 'gf' as a result of the effect of learning and other experiences.4. Individual differences are more in 'gc' than 'gf'.Codes:

Out of following which are the appropriate explanations as stated by C

1.	Out of following which are the appropriate explanations as stated by Cattell in his ‘gf’ and ‘gc’ theory of Intelligence?1. 'gf' is mainly determined by genetic factors.2. The speed of growth of 'gf' is very fast in early childhood and it starts declining in late adulthood - in late twenties.3. 'gc' separates itself from 'gf' as a result of the effect of learning and other experiences.4. Individual differences are more in 'gc' than 'gf'.Codes:
A.	1, 3 and 4
B.	2, 3 and 4
C.	1, 2 and 3
D.	1, 2 and 4
Answer» D. 1, 2 and 4