The correct answer is option B.
The hematite particles rearrange to form a new substance. This is an example of a chemical change.
A chemical change is an irreversible process wherein the atoms of a substance undergoes a rearrangement that causes it to from a new substance with unique chemical properties.
Explanation:
both b and c since it can be both
I think one is Hydrochloric acid
Explanation:
Water the essential constituent of protoplasm of living cells because it is directly involved in countless biochemical reactions like photosynthesis and respiration without it cells couldn't move waste and by-products taking nutrients perform intracellular Transportation functioning and signaling
True I believe since every person has a different temperature and sound waves.
