The half life of Uranium-238 is about 4.5 billion years.
Amount after:
4.5 billion years = 200 atoms
9 billion years = 100 atoms
13.5 billion years = 50 atoms
Answer:
i believe its B.) The pH level of blood drops due to excess amount of CO2. The brain sends signal to
the diaphragm to increase breathing in order to get rid of excess CO2
Explanation:
i hope this helps
im really sorry if its wrong
Answer:
All of the above options are considered as lipids
Answer: 1. Mezclar bien la tierra, el guano y el afrecho o harinilla o cascarilla de arroz.
2. Diluir en 20 litros de agua la miel o melaza, el yogurt y la levadura.
3.cCon este líquido, mojar la mezcla mientras se revuelve.
Explanation: