the numbers are going to be small so like a power but its at the bottom
NH3, H2O2, NHO2
C.Work was required by an outside force.
Answer:
B) a substance's color and odor changed Explanation: A signal that a chemical change has occurred is when its odor (its smell) or its appearance has changed.
<span>5 quilos
dfghjjjjjjjjjjjjjjjjj
</span>
Answer:
at summer season the snow will melt and will produce water and using generators we can produce electric energy and in spring and winter can produce electric energy also using the wind
