Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
Answer: Options (1), (3), (4), (6) and (9)
Explanation: Hot-spots are the region of active volcanisms and this could be due to the presence of large mantle plumes, plate tectonic movement, as well as other reasons.
Hot-spots are generated in the following tectonically active boundaries such as-
- Convergence of two oceanic plates.
- Convergence of an oceanic and continental plate.
- Divergence of two oceanic plates.
- Hotspots within the oceanic and continental plate.
Answer:
Areas noted for widespread terracing
Explanation:
I hope this helps
Have an AMAZING day :)
-Emma
Answer:
Humans and most other mammals have two sex chromosomes, the X and the Y. Females have two X chromosomes in their cells, while males have both X and a Y chromosomes in their cells. Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome.
Explanation:
Conflicto Guatemala-Belice. Estos dos países tienen un diferendo territorial desde hace más de 150 años. ...
Conflicto Costa Rica-Nicaragua. ...
Conflicto Honduras-Nicaragua. ...
Perú-Chile. ...
Conflicto Chile-Bolivia. ...
Venezuela-Guyana. ...
Conflcto entre Colombia y Nicaragua.