Correct me if i get this wrong but im gonna go with letter D it just feels right!
Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of information, energy and matter. Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life.
Answer: At least four pairs of alleles are involved in skin color, and there are nine (or more) shades of skin color. The bionomial expansion (a + b)6 can also be used to display the cross in Table 1, where the letter a represents the number of capital letters and the letter b represents the number of small case letters.
Explanation:
Answer: It is essential to reduce the making of paper due to drastic problems like the buisness there is in deforestation that has a negative effect in the produce of oxygen by the other hand, we currently live in a generation where we can reduce the use of paper by saving information in electronical devices that can almost save unlimited information
