Yes. For example every tree that is cut down you can plant a tree so the tree will grow back.
Answer:
D, amino acids is the answer.
A is the answer I’m sure because I just took the test
Answer:
A.) protons and neutrons are in the nucleus
Theories are modified because they are out of date. There are new discoveries and breakthroughs in science all of the time, so quite often hypothesis' are in need of an update.
