Mark the correct statements about major abiotic factors .
I . Temperature on land varies seasonally, increase progressively from the equator towards the from plains to the mountain tops .
II. Light is important in animals as they use the diurnal seasonal variations in light intensity and duration as cues for timing their forging, reproductive and migratory activities.
III. Various characteristics of the soil such as soil composition, grain size and aggregation determine the percolation and water holding capacity of the soils .
IV. The salt concentration is more than 5% in inland waters

Options

A. I and III
B. II and III
C. I,II and IV
D. I,III and IV

Answer

B