Please help And no links please The graph below shows the radioactive decay of a material.

If the original mass of the radioactive material was 500 grams, what will be its mass
after 4 billion years?

12.50 grams

25.50 grams

10.25 grams

31.25 grams

I’m about to start crying

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.