The soil water that drains through the soil within 48 hours of irrigation or rainfall is called ...

The soil water that drains through the soil within 48 hours of irrigation or rainfall is called _____________________________ _.
 
  Fill in the blank(s) with correct word

Question 2

A common tool used to mark a straight line on a board, wall, ceiling or floor is _____.
 
  a. chalk line c. marking gauge
  b. pencil d. pen

Question 3

_________________________ is the portion of the soil that includes animal and plant residues.
 
  Fill in the blank(s) with correct word

Question 4

Another word for a plumb bob is a _____.
 
  a. hammer c. chisel
  b. plummet d. rip saw

Question 5

____________________, ____________________, and ____________________ are three essential elements that plants can obtain from the air.
 
  Fill in the blank(s) with correct word

Question 6

A common type of clamp is the _____.
 
  a. C clamp c. miter clamp
  b. hand screw clamp d. all of the above

Question 7

The number of elements essential for plant growth is _______________.
 
  Fill in the blank(s) with correct word