A lysimeter is primarily used to measure evapotranspiration, which is the sum of evaporation from the soil and transpiration by plants. It is also used to measure deep percolation, which is the downward movement of water beyond the root zone.
Thus, the correct answers are (C) and (D).
Consider the relationships among P, Q, R, S, and T:
• P is the brother of Q.
• S is the daughter of Q.
• T is the sister of S.
• R is the mother of Q.
The following statements are made based on the relationships given above.
(1) R is the grandmother of S.
(2) P is the uncle of S and T.
(3) R has only one son.
(4) Q has only one daughter.
Which one of the following options is correct?