Answer:
nucleus-the central and most important part of a cell forming the basis for its activity and growth.
organelle- miniscule organs and specialized structures within a living cell, required for cell life and functions
DNA- AKA Deoxyribonucleic acid is a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
Explanation:
A good advancement would be a portable radio. They have made life easier for people who are walking/hiking and are looking for something such as the weather for the night or the score for a sports game.
Answer:
Rusting metal can: Chemical
Boiling water: Physical
Crushing aspirin: Physical
Exploding nitroglycerin: Chemical
