Hi there!
All gasses and engines need fuel to burn because the heat or chemical reaction from the burning fuels are converted into different types of energy that fuel (or help fuel) the engine or gas.
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Answer:
NH3
Explanation:
It’s a polyatomic ion. You’ll just have to memorize it!
Answer:
What is the question more specific and then I will answer it
Answer:
The atomic theory has changed over time as new technologies have become available. Scientific knowledge builds on past research and experimentation. 400 B.C. Democritus, a philosopher in ancient Greece, began the search for a description of matter.
Explanation:
2. This question has two parts. First, answer
Part A. Then, answer Part B. Part A
In Passage 2, what theme is suggested by Graham’s situation?
D People will do whatever is necessary to keep what is important to them.
Part B
Which quotation helps develop the theme in Part A?
D “Graham turned to the old man and asked, ‘How are we going to find it?’” (paragraph 25)
Part A
Option D: This answer is correct. The man agrees to the risky proposition to search for buried treasure since it seems to be the only way for him to keep his family's property.
Part B
Option D: This answer is correct. This quotation shows that Graham is considering the man's proposition to look for buried treasure in the hopes of keeping his family's property