Answer:
A hypothesis is a possible explanation for a set of observations or an answer to a scientific question. A hypothesis must be testable and measurable. This means that researchers must be able to carry out investi- gations and gather evidence that will either support or disprove the hypothesis.
Explanation:
Answer:
I believe methane is not a greenhouse gas.
Explanation:
Methane is indeed a fart.
<h3><u>Question</u><u>:</u><u>-</u></h3>
After nitrogen becomes part of the lithosphere, the next change the nitrogen will under go is it will be:-
A. used as a nutrient by plants
B. fix by bacteria in the soil
C. absorbed into the atmosphere by lightning
<h3><u>Answer</u><u>:</u><u>-</u></h3>
B. fix by bacteria in the soil
<h3><u>Explanation</u><u>:</u><u>-</u></h3>
- These bacteria are known as nitrogen-fixing bacteria.
- These nitrogen-fixing bacteria convert nitrogen in the soil to ammonia. Ammonia can be taken up by plants.
Answer:
D. Sound
Explanation:
Both А. water and B. fans doing the "wave" in a football stadium are both literal waves and are not examples of a compressional/longitudinal
