what are the three possible combinations of the two types of proteins that can be found on a person's red blood cells?

meiosis is the correct answer

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

1. law of superposition: when there are horizontal layers of rock. the layers at the top are the youngest.

2. law of uncomformity: where one layer is much younger than the previous one, therefore creating a gap in the time record.

3. inclusion: when there is a solid stone inside of another.

4. intrusion: a feature formed when a stone is filled with magma.

hope i answered your question.