Barack Obama was elected president in November of 2008. He was sworn in January 20, 2009.
The last three are correct
Answer:
Hypotonic
Explanation:
Tap water contains a lot of solutes and ions that are absent in distilled water. The solution that has more solutes (more dissolved solids) will be the <em>hypertonic</em> solution.
Here, distilled water has no solutes, making it <em>hypotonic</em>.
Answer:
Limiting human use of nitrogen that is in the atmosphere.
Explanation:
