A traveling clot that suddenly blocks a blood vessel is an embolism
Eu means true therefore it is known as eubacteria
Answer:
In uranium-lead dating, for instance, the radioactive decay of uranium into lead proceeds at a reliable rate. Based on the very old zircon rock from Australia we know that the Earth is at least 4.374 billion years old.
And that's how after rounding we know that earth is 4.5 years old.
Oou do the one where you see which plants grows best in different lighting