PLEAS HELPPP MASS. the amount of in an object. Mass is measured in the unit
Example: Car= (high or low) mass Paperclip= (high or low) mass
VOLUME: the amount of something takes up. Volume is measured in the unit .
Example: School=(high or low)volume
Paperclip=(high or low)volume

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

How to convert a density of 0.791g/cm3 to lb/ft3