The ratio of parent to daughter atoms after two half-lives is therefore 1:3 (one-quarter to three-quarters).
The communities should focus in mitigation, response and recovery planning before and after the disaster.
<u>Explanation:</u>
- The communities in Japan should enhance the capability to produce and use the medical facilities in case of emergencies.
- The planning structure should be strong enough to resiliently build back the damaged infrastructure and global security should be strengthened.
- The communities should have set plans to carry out during and after the disaster to reduce the effect of it.
- Burying of electrical cables to prevent ice build-up
. And also Disaster mitigation public awareness programs.
Answer:
Leaves are the most important
Explanation:
Leaves are directly exposed to sunlight and contains chlorophyll which is the chemical that makes them green and is key in photosynthesis.