This is the exact answer:
Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat. Bacteria are also helpful because they are used in medicine to help us overcome disease. Bacteria are harmful because they can cause tooth decay and illnesses that can be either common or quite serious.
Solution:
Comparison characteristics is known as the Paint chips, random glass fragments, and synthetic fibers all exhibit.
Thus this the required answer.
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>
