Marijuana is legal for medical purposes in 30 states
Thirty states and Washington, DC, allow marijuana for medical purposes, although their approaches can significantly differ.
Some allow medical marijuana dispensaries and home cultivation. Others only allow home cultivation. And a few allow dispensaries but not home cultivation.
Answer: B. Memory and decision making.
Explanation: Alcohol has a profound effect on the complex structures of the brain and the memory is similar to the brain
The correct answer is A (Automobiles).
Particulate matter is a complex mixture of extremely small particles and liquid droplets.
One of the major components of particulate matter is sulphate usually coming from sulphur dioxide found in exhaust fumes that have been produced by automobiles . Other components are nitrates , ammonia, sodium chloride and black carbon.
Other components of particulate matter come from dust, soot, smoke, industrial emissions.
Particulate matter is one of the most common contributor to air pollution.
