Could you give me more background about said squirrel.
Pretty sure its truth / no edit here
B. To explain how things work
The answer is B: 'the smoke that results is toxic'. An example is the burning of domestic garbage, which remains a common practise, particularly in developing countries. This practice can release g<span>reenhouse gases like carbon dioxide and also tiny particles and toxic chemicals that can harm human lungs.</span>
Isnt it not desirable? you dont want friction to act when you push a box