Ateacher describes a mathematical system that can be used to convert the weight of water to the mass of water.
what is the teacher most likely describing?
a. fractions
b. different measuring tools
c. scientific notation
d. dimensional analysis

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced