This topic contains a solution. Click here to go to the answer

Author Question: Subsurface drains have been made by all of the following materials EXCEPT ____. a. clay b. lead ... (Read 44 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
Subsurface drains have been made by all of the following materials EXCEPT ____.
 
 

a. clay
  b. lead
  c. concrete
  d. plastic



Question 2

Surface drainage may be improved by ____.
 
 

a. land grading
  b. certain tillage practices
  c. berms




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

daiying98

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

B

Answer to Question 2

A




kfurse

  • Member
  • Posts: 590
Reply 2 on: Jul 21, 2018
Wow, this really help


ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

For a complete list of videos, visit our video library