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.
According to the law of conservation of energy, energy is not lost, although kinetic energy can be converted into thermal energy by friction. hope i helped <3
Answer:
In the alternation of generations life cycle the diploid zygote grows into a sporophyte plant through a process called mitosis.