<h2>Answer</h2>
- Wind
- Sunlight
- Plants
- Soil
- Coal
- Minerals
- Water
- Animals
In short it's natural resources.
Animal cells do not have a cell wall or chloroplasts but plant cells do. This is just one example there are several ways. <span />
Vaccine is preventing the infection.
Antiviral is a medicine taken after infection
Answer:
SER
Explanation:
Smooth Endoplasmic Reticulum
These are fat-based molecules that are important in energy storage, membrane structure, and communication (steroids can act as hormones). The smooth endoplasmic reticulum is also responsible for detoxifying the cell.
