That would be B.
One strand will be newly made the other will be old/parent strand.
B. Mutualism, because both parties are benefiting from the other.
Well it is triples you can tell that it is a division question. So triples means by 3.
The equation is 2,551,500 = d X 3^6. So, now 2,511,500 / 729 is your final answer, 3,500. Hope it helps :)
1. Carrots, rabbit, snake, eagle
2. Sun, berries, bear
3. Grass, snail, bird, fox
Answer:
Household biology is the study of household animals,insects,etc.,including how to prevent damage to our own body and to our belongings