Preserves animal tracks are called trace.
The substance is pure depending on which atoms bond.
The reasons why 241am smoke detectors are perfectly safe is because;
(i) The amount of americium is very little.
(ii) The aluminium core is where the detector is hosted.
(iii) The detector has a plastic cover.
(iv) Radiation is limited in penetrating power.
(v) There is a low number which is leaving the case.
(iv) ions get trapped by electrodes.
Mass decreases at the end stages of normal sized stars, and increases in the end sequences of giant stars, as they turn into a super dense ball, such as a black hole or a pulsar.
Meiosis:
- Allows for transmission of chromosomes to offspring
- Allows for sexual reproduction
- Four Haploid cells are formed
- Necessary for species survival
- Found in all organisms that contain male and female ???
Mitosis:
- Necessary for growth and regeneration
- Allows for regeneration of an organism
- Two identical diploid cells are formed
- Asexual reproduction
- Performed in all organisms hope this helped, :)