The element starts off as 100%. half of 100% is 50% and half of 50% is 25%. the element has emitted 2 times the half life which is 10,000 x 2 = 20,000
the fossil bone is 20,000 years old
Answer:
the lightbulb will turn on
Explanation:
because in the circuit electricity is flowing from the battery through the wire into the lightbulb, giving it enough energy to turn on.
Prokaryotes are organisms made up of cells that lack a cell nucleus or any membrane-encased organelles. Eukaryotes are organisms made up of cells that possess a membrane-bound nucleus that holds genetic material as well as membrane-bound organelles.
Answer:
smaller
Explanation:
organs which are made up of tissues, and are therefore larger than tissues. ... They are therefore larger than organisms.
This is the chronicle of evolution over millions of years of geologic time engraved in the order which fossils appear in rock strata.
