C) 15 J because it cannot gain energy or lose mass
A birds feather. Because a birds feather is way lighter than a model rocket, so it wild go down slower, in a waiver motion.
Answer:
Cell phone signals are electromagnetic waves, which are reflected by the aluminum foil
Answer:
1➡️ this is the method of decomposition
2➡️ H2 and O2
3➡️ b
sorry if I am wrong