Answer:
1. isotopes - neutrons
2. determine unique element - protons
3. negligible mass - electrons
4. protons - atomic number
5. arranged by atomic number - periodic table
6. neutrons and protons - atomic weight
7. variation in atomic weight - isotope
8. forms lighter elements - fission
9. forms heavier elements - fusion
Hi Tony :D
Answer:
Cell membrane
Explanation:
Cell membrane controls what goes in and out of cells
Answer: Non disjuntion occurs during prophase 2 in meiosis 2. one pair of sister chromatids don not separate from each other. As a result three cell have normal haploid chromosomes but one cell have extra chromosome while other have one less chromosome. It lead to the phenomenon of non dis junction.
The sun provides light energy to the earth via Solar particles, I think.
Answer:
Population can take months. while ecosyistem can be destroyed in one day
Explanation: