Answer:
Scientists usually use the potassium-argon method to date rocks that are older than about 1 million years. Uranium-238 is also used for radiometric dating. It has a half-life of 4.5 billion years. It decays to produce lead-206.
Answer:
Vague, but I think you are talking about duplication or mitosis
Explanation:
Mitosis is duplicating DNA to make two geneticly identical daugher cells
Duplications is just unwinding the DNA to make a second copy
Answer:
A sharp, ringing sound made by the collision of sonorous (especially metallic) bodies.
The water form clouds after evaporation, clouds will be liquid when clouds are liquid this is the process and the time when water becomes rain and return back to the earth which we called it precipitation.
I'm almost positive it is tissue because all organ have tissue but most have muscles, blood, veins
