Alpha particle is equivalent to B. Helium atom (2 protons, 2 neutrons)
copper is not a stone, copper is not a consumption resource, and copper is not renewable, that means that
:
d. nonrenewable resource
Explanation:
A nonrenewable source is a source of economic value that cannot be immediately displaced by natural means on a level equal to its destruction. Most fossil fuels, such as oil, natural gas, and coal are estimated nonrenewable resources in that their use is not sustainable because their production takes billions of years.
3.5 M has 3.5 moles per litre
so we have one litre, so we need 3.5 moles
moles = mass/molarmass
3.5 * 23 = 80.5
Answer:
Anything in the environment that causes a change is called a stimulus.
Explanation: