Answer:
What grade for this is it
False, atomic mass is the weighted average mass of an atom of an element based on the relative natural abundance of that element's isotopes
The SI system or metric system is the most commonly used system of measurement around and hence makes it more applicable around the world than the english SOM
The trends that shows the increasing use of renewable energy are:
- Houses and cars powered by solar energy
- Use of geothermal energy in areas with hot water springs
- Construction of wind energy farms in sea
- Research for cheaper and efficient material for solar cells and batteries
- Construction of dams to harvest kinetic energy of flowing water
- Research for alternative biofuels from the leftover husk of crops.