The second one, b synthesis reaction
Hydrocarbons. They usually burn. In fact, I can't think of one that does not.
False
only observing chemical property will change its identity
Answer:
C and D!
Explanation:
Don't listen to the other dude above me.
Answer:
The most recent ice age ended about 10,000 years ago
Explanation:
The last ice age began 110,000 years ago and ended 10,000 years ago, leading to the temperature of the Earth, expansions of glaciers and polar ice caps were made.