Rusting iron is an example of a chemical change because iron reacts with air when moisture is present.
examples of chemical changes are:
• Molecules rearrange with other molecules to make new substance
• Can be production of flames
• Color change
• Bubbling/fizzing
• Temp. change
Examples of physical changes are:
• Melting
• Boiling
• Freezing
• Condensing
• Breaking
• Bending
• Dissolving
It has the slowest rotation of all planets.
like 240 earth days...in retrograde clockwise turns
Answer:
C
Explanation:
This is a synthesis or a combination reaction , which involves the oxygen combining with sodium to make one compound.
hope it helps.
you're welcome.
The answer is A: Between 50 and 5,000 amino acids
Explanation:
nnbbnmkmknn bnnnbbtbbbbn' nn' t
