the answer would be b because b is the only one that changes while a and c does not change for their type.
hope this helps! ❤ from peachimin :)
<span>Some bacteria in the soil fix nitrogen into useful forms for plants to use them. This conversion of nitrogen helps plants grow. Without the bacteria in the soil a lot of the plants would not be able to grow.</span>
C is found in cell membranes
Preserves animal tracks are called trace.
Answer:
Because melting can be reversed ( freezing )
Explanation:
Physical change is a change that can be reversed
