Correct answer
B. Contour system
Explanation
The correct answer is Contour system.
The free living insects that catch and devour smaller or more helpless creatures, usually killing them in getting a single meal is called?
First agriculture reforms in Pakistan?
The seed dormancy of rice seed can be broken by putting into the oven at________?
Panting is a condition in bird during which ________?
Which one of the following is commonly applied to plan order to destroy some enzyme systems prior to canning freezing or dehydration________?
Although some acid soils do exist in the northern mountainous regions of Pakistan (Mansehra, Sawat, Dir). Almost all cultivated soils of the country are ________, with high base saturation and low organic matter content (generally less than 1%)?