Monerans, now known as bacteria, have many beneficial effects. Some, such as the species that live in the intestines
It’s all of them because they all end in autotrophs
The Cambrian explosion. Trilobites were found because of their hard shell, unlike soft bodied creatures.
Answer: <u><em> a) Friction</em></u>
Explanation: <em>Friction is a force that opposes motion. When two objects are in contact, friction is acts in a direction opposite to the motion of the object.</em>
