Answer:
the first one i think is d
Marijuana, LSD and club drugs are grouped together because THEY TEND TO BE TAKEN BY MIDDLE CLASS PEOPLE FOR RECREATIONAL USE.
The three drugs given above are put in the same group because they are used for similar purposes by similar group of people. They are psychoactive drugs which cause euphoria and make the users feel good. People who use this drugs are usually those in the middle class.<span />
Answer:
Stem cells are currently being used to replace damaged cells or to treat some forms of cancer, usually taken from the adult hip (bone marrow)
When heat is applied to water, the transfer of energy causes the water molecules vibrate at a quicker pace. As the heat increases, the molecules get further apart, causing the water to change form from a liquid to a gas (aka vapor). As the molecules cool, they lose the energy from heat that was applied, causing the molecules to vibrate at a slower pace. As the energy is lost, the water molecules to come closer together, resulting in water returning to a liquid state.
<span>d. subsistence strategy.</span>
