Which of the following is generally true of all anions?
A) An anion has equal numbers of protons and electrons.
B) An anion has fewer protons than electrons.
C) An anion has more protons than electrons.
D) An anion has more electrons than neutrons.
B
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A clade is a group of organisms ____
A)and their most recent common ancestor B)on a phylogenetic tree C)that can interbreed and have fertile offspring D)in an evolutionary line from ancestor to descendent E)that have gone extinct
How did the principle of appropriation impact farming in the Intermontane West?
A) It allowed farms to appropriate land if they could use it productively for five years. B) It allowed farmers to build ditches and canals so that they could irrigate their farms, even if the farms were not located next to a water source. C) It allowed vast tracks of former Native American land to be claimed by the Government. D) It allows farmers to formally claim streams for their use only.
A farmer drilled a well into an open aquifer composed of sand and gravel. He installed a septic system downslope from the drinking well (see diagram). A few years later the septic system started to leak. Water tests showed that the well water was clean and uncontaminated by bacteria present in the septic system. Why did the septic system not contaminate the drinking water supply?
A. Gravel has a low permeability that makes it difficult for bacteria to travel from the septic system to the well. B. The septic system is not located in the aquifer's recharge zone. C. The bacteria were drowned in the groundwater. D. The groundwater flow carried water away from the well.
Assume you are raising beef and that feed is costing you $1.00 per kilogram. Roughly how much money are you spending on feed for each kilogram of beef produced?
a. $0.12 b. $1.20 c. $12.00 d. $120.00