Lincoln's decision to fight rather than to let the Southern states secede was not based on his feelings towards slavery. Rather, he felt it was his sacred duty as President of the United States to preserve the Union at all costs.
Answers may vary, but the overall trend should show an increase in the percent oil in the mixture at these following percentage:
1st: 1%
2nd: 7%
3rd: 32%
It is noted that the concentration of oil increases with each trophic level.
Because they lack nucleus
A chromosome deletion occurs when a chromosomal fragment is lost. Thus the chromosome is missing some genes. One example of this in humans is know as cry of the cat. It occurs from a deletion on a chromosome number 5. A child that is born has a mental disability a small head with unusual facial features and cries like the sound of a distressed cat. The children rarely live into adulthood.
I hope this help
Answer:
Mutagens, mutation-causing substances