When onion cells are placed in a hypertonic solution, the red pigmented area of the cell..
a) increases
b) decreases
c) increases then decreases
d) does not change

Ineed to know why d is the correct answer asap

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a).it must be applicable to future events and occurrences. b)it must be based on scientific observations that can be repeated in a controlled setting. c)it must be open to modification if new evidence doesn't completely support it. d)it must be consistent with only a small portion of relevant observations or data.