________ is a form of symbiosis in which there is a two-way beneficial relationship between organisms
A) Parasitism
B) Commensalism
C) Communalism
D) Mutualism
E) Competition
Answer: D
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Take money away from your bank account and the bank will show a negative credit. Take an electron away from an atom, however, and the atom shows up positive. Explain.
A. Atoms are constantly exchanging electrons. Having an atom "show up positive" is only an expression indicating that it has taken its turn in the game of electron exchange. B. Removing an electron from an atom does not have the atom show up positive. It simply leaves the atom short one electron. C. Electrons are already negative. Therefore, we know from basic math that subtracting a negative (number) from a neutral (atom), will make the result positive. D. Neutral atoms contain identically charged but oppositely signed protons and electrons. Removing one of the negative electrons results in an excess of positively charged protons.
The CEO of a large carpet company has switched to leasing rather than selling carpets. This action supports the idea of a service-flow economy
Indicate whether the statement is true or false
What is the latest supercontinent?
a. Supercontinent Laramide b. Supercontinent Pannotia c. Supercontinent Rodinia d. Supercontinent Pangaea
What European countries were considered Soviet satellites during the Cold War?
What will be an ideal response?