Answer:
b and c
Explanation:
marijuna is a typical type of drug which may cause similar effect to cicaine as wellas sometimes it may cause variable effects
Answer:
RADON GAS
Explanation:
This is the main source of indoor radon. It flows through the air, ground and surface water. It primarily finds it's way through the soil into buildings and into water supplies. Once it escapes from soil, it discharges from emission stacks into the air.
The symptoms of CTE<span> generally do </span>not<span> present until years or decades after the brain trauma occurred or after </span>one<span> stops actively playing contact sports. While most</span>concussion<span> symptoms resolve within a few weeks, the symptoms </span>can<span> last for months or, in severe cases, even years.</span>