Which of the following is true of the reaction: O2(g) ? 2 O(g)?
A) It is endothermic.
B) It is exothermic.
C) It is neither endothermic nor exothermic.
D) None of these, the reaction cannot occur.
A
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What are some of the optimistic worldwide changes that may follow the advent of successful fusion reactors?
A) Economies will be geared to relative abundance rather than scarcity. B) Humans will have more opportunities to focus on social issues, such as world hunger. C) There will be fewer hostilities between nations. D) all of the above
The upstream part of a stream profile usually has a steeper gradient than the downstream part. Indicate whether the statement is true or false
In the United States and most other developed countries, there has been an increase in the number and quality of _______________ treatment plants since the 1970's
Fill in the blanks with correct word
Describe the major ecosystems in Latin America and how humans have adapted to and modified these different ecosystems
What will be an ideal response?