The correct option is A.
Proactive interference refers to the tendency of the knowledge that one had learned previously to prevent one from subsequent learning. Thus, proactive interference is the difficulty that comes with learning new things due to the stuffs that one had learned before. For instance, an individual may find it difficult to learn Spanish because he has previously learn German.<span />

In humans, the medulla region of the brain is mainly responsible for the regulation process of respiration. It is also called the respiratory rhythm centre. The chemosensitive area located near the respiratory centre sends signals across nerve impulses to alter the rate of expiration to eliminate compounds.
Answer:
Things they have in common..
Explanation:
- Non living things and living things are made up of matter.
- Both occupy space
- The also have weight,colour,shape etc
- Both Non living and living things are characterized by their type..
The most reason for an organism having lipids in its body is to provide energy to the body. The fat molecules in the lipids can supply more energy gram than carbohydrate molecules. The fat molecules are composed of carbon (C), hydrogen (H), and oxygen (O) atoms. I hope this will help!! Have a great day.