Answer: Definition of Positive Externality: This occurs when the consumption or production of a good causes a benefit to a third party. For example:The beekeeper gets a good source of nectar to help make more honey. hope this helps
Explanation:
B. Macromolecules is the answer.
Answer:
True
Explanation:
According to the theory of organic evolution, all organisms are related to each other and they all are descendants with some modification from the organism that lived in the past. The evidence of this theory can be seen in existence in homologous organs in different species for example wings of bird and hand or humans.
This homology proves that they shared the common ancestor in the past and they are descendants with some variation and modification which make them appear different from each other. Therefore the statement is true.
