Rusting is a chemical change, which forms a new substance which is brittle. A solid that is formed by a chemical reaction.
________b_____ 7 km east
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| 2km north.
|a
|
°
pythagorean theorem : ✓a² + b² = c²
c² = a² + b² = 4 + 49 = 53
c = ✓53 km
displacement = c = ✓53 km
distance = 10 + 3 + 2 = 15 km
<span>A. crest, crest
hope im right!(: </span>
Observations is the answer.
20 degrees F! 0 degrees C is equivalent to 32 degrees F, so 20 degrees F is colder.
