Answer:
False. Chemical changes are always physical changes
The pole varies in position on a yearly basis due to secular variation (or drift in Earth's magnetic field). Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
The statement of letter B, the collisions of particles with one another is completey elastic, is true about Kinetic Molecular Theory. Elastic collisions means that there is no energy transfer between the particles.
