Environmental Studies

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Soils that are high in organic matter (humus) tend to have more stability against soil erosion . ... Started by jace	1 Replies 61 Views	Jul 22, 2018 by vkodali
Which material is not a good insulator? A) iron B) mica C) rubber D) ... Started by bio_gurl	3 Replies 56 Views	Jul 22, 2018 by bookworm410
According to the USDA land capability classification, Class II land has more limitations than Class ... Started by bucstennis@aim.com	1 Replies 46 Views	Jul 22, 2018 by braelync
The resistance of a nine inch length of copper that has a diameter of 0.005 in. is A) 311 B) 311 ... Started by Jkov05	1 Replies 50 Views	Jul 22, 2018 by ankilker
Log 1/H+ is a measure of ____________. Fill in the blank(s) with correct ... Started by codyclark	1 Replies 24 Views	Jul 22, 2018 by debra928
For best results, a soil should be tilled when wet . Indicate whether the statement is true or ... Started by elizabeth18	1 Replies 41 Views	Jul 22, 2018 by Li Jun
Harrowing is a secondary tillage operation . Indicate whether the statement is true or ... Started by Pineapplelove6	1 Replies 62 Views	Jul 22, 2018 by k.lashomb
A moldboard plow is secondary tillage implement . Indicate whether the statement is true or ... Started by DyllonKazuo	1 Replies 55 Views	Jul 22, 2018 by Hdosisshsbshs
Chemical weathering occurs by several distinct processes. Name two. What will be an ideal ... Started by tingc95	1 Replies 10 Views	Jul 22, 2018 by patma1981
The material with the least resistance is A) silver B) copper C) aluminum D) ... Started by burton19126	3 Replies 77 Views	Jul 22, 2018 by briezy
Potassium is not an integral part of any specific cell compound . Indicate whether the statement ... Started by tuffie	1 Replies 14 Views	Jul 22, 2018 by b614102004
Use of heavy tillage machinery can create an artificially compacted layer called a ________. Fill ... Started by maegan_martin	1 Replies 80 Views	Jul 22, 2018 by meganmoser117
Humus and ________ are the major sources of soil colloids. Fill in the blank(s) with correct ... Started by ahriuashd	1 Replies 92 Views	Jul 22, 2018 by Viet Thy
The rated value of a brown, blue, red resistor is A) 1.6 k B) 1,500 C) 1.62 k D) 162 ... Started by mwit1967	1 Replies 37 Views	Jul 22, 2018 by dmurph1496
The insulator with the lowest breakdown voltage is A) paper B) glass C) mica D) ... Started by hubes95	1 Replies 101 Views	Jul 22, 2018 by amynguyen1221
What is the most widely used fertilizer element in crop production in the U.S.? What will be an ... Started by cmoore54	1 Replies 21 Views	Jul 22, 2018 by kardosa007
The rated value of a brown, black, yellow resistor is A) 11 k B) 10 k C) 104 k D) 100 ... Started by cmoore54	1 Replies 40 Views	Jul 22, 2018 by vickybb89
If the resistance between the center and an outer terminal on a 20 k potentiometer reads 12 k, the ... Started by mp14	3 Replies 48 Views	Jul 22, 2018 by akpaschal
A simple circuit with a 2.2 k resistor dissipates 6 W. Current in the circuit is A) 5.2 mA B) ... Started by abarnes	1 Replies 67 Views	Jul 22, 2018 by Kdiggy
Define crop production system. What will be an ideal response? ... Started by BrownTown3	1 Replies 24 Views	Jul 22, 2018 by gasdhashg
The resistance of a potentiometer marked 252 is A) 250 B) 2.5 k C) 25,000 D) 2.5 ... Started by Themember4	1 Replies 21 Views	Jul 22, 2018 by bigcheese9
The minimum guaranteed percentage of NPK in a fertilizer indicates the________. Fill in the ... Started by codyclark	1 Replies 19 Views	Jul 22, 2018 by fromAlphatoOmega22
Infiltration is rapid in finer-textured soils than coarse ones . Indicate whether the statement ... Started by asd123	1 Replies 28 Views	Jul 22, 2018 by dellikani2015
In a simple circuit, a 4.7 k resistor is placed across a 15-V source. Current through the resistor ... Started by Collmarie	1 Replies 127 Views	Jul 22, 2018 by kingdude89
In a dual dc power supply, the terminal that is common to both voltage sources, is the A) ... Started by jake	1 Replies 79 Views	Jul 22, 2018 by catron30