A chemical reaction happens when two chemicals mix , causing something to happen
example: hydrogen and oxygen combining to make H2O
not an example: ice melting to make water
It is
Explanation: Second Trimester: The Baby at 20 Weeks
Your baby is covered by fine, feathery hair called lanugo and a waxy protective coating called vernix. Eyebrows, eyelashes, fingernails, and toenails have formed. Your baby can even scratch itself. Your baby can hear and swallow.
A. The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.
Again, What Brainlys said, D.