Decoding the Arecibo message assumes intelligent ETs would have in common with us:
Chemical Basis for Life & Reproduction
Similar understanding of body design
Similar understanding of planetary systems
Similar concept of physical structures
Math
Physics
Chemistry
Which of these are almost certainly the same everywhere in the universe? Choose all that apply.
Group of answer choices below (there are multiple answers)
physical structures
Planetary systems
Math
Physics
Chemistry
body designs
Chemical Basis for Life & Reproduction