False, mass number is protons plus neutrons. not subtraction.
<span>people with an impulsive personality have a higher rate of substance abuse and dependence.</span>
Answer:
A
Explanation:
The components of salt water are chemically combined together and looks throughout, forming a homogeneous mixture.
Explanation:
Where possible, we can switch to renewable sources of energy (such as solar and wind energy) to power our homes and buildings, thus emitting far less heat-trapping gases into the atmosphere.
