You have been given two samples of water. One is from the atlantic ocean and the other is from lake superior. Describe how you will tell them apart without tasting them?

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.