In 1869 Mendeleev put together the periodic table
Man tough call I between b and d. But I might go more for B by the fact that the population will be increasing.
Hope this helps!
Answer:
ya of course
Explanation:
system is working together
but network issues also came just kidding
good going
Answer:
Komodo dragon.
Explanation:
Animals, plants, and fungi are multicellular organisms
The answer would be the ligament.