Oxygen carbon and hydrogen
photosynthesis: the process when plants make their own food using sunlight
Answer: sound can slow down, so when it travels through all of that it's muffled and kind of blocked. sound travels at 332 metres per second so it's hard to stop the sound
Explanation:
Hey there!
I believe the answer is Combination (or Synthesis) Reaction.
Is B. The number of the atomic mass can increase or decrease because the number of neutrons is different.
