You have a sample of 30g of uranium-234 and 70g of thorium-230 how old is your sample?

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206

What is the difference between a substance "getting wet" and "being dissolved" in a liquid at the particulate level?

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?