Lithium-6 is 4% abundant and lithium-7 is 96% abundant. what is the average mass of lithium?

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

How can one make a supersaturated solution? (apex)