Why is oxygen usually an oxidizing agent?
A) It is a very electronegative element.
B) It does not undergo reduction.
C) It likes to be oxidized.
D) It is very abundant and so it is easier to react than nitrogen.
E) all of the above
Question 2
Why is flooding not an efficient method of irrigation?
A) Most of the water is lost due to run off and evaporation.
B) The water drowns the roots of the plants.
C) Moist soil does not readily absorb any more water.
D) Soil erosion is minimized because the flow of water is very slow.
E) none of the above
The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers
Hand mnemonic for the basic atmosphere composition being 4/5 nitrogen and 1/5 oxygen.
When the exhaust is lean, the output of a zirconia oxygen sensor is below 450 mV.
A typical heated zirconia oxygen sensor, showing the sensor signal circuit that uses the outer ...
Percent of oxygen in the atmosphere versus altitude.
Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in