Which of the following is true about organisms and cells? A. All organisms are made of one cell.
B. Some organisms are made of cells, while others are not.
C. All organisms are made of multiple cells.
D. All organisms are made of one or more cells.

option D is right hope it may help u

i'd say that the moon rock is about 2.2 billion years old.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.