B ) Two independent clauses separated with a semicolon
Explanation:
It can also result in long-term health effects such as cancer and cardiovascular disease. Exposure to low levels of radiation encountered in the environment does not cause immediate health effects, but is a minor contributor to our overall cancer risk.
Answer: A. secondary exchange
Explanation: The secondary market is where investors buy and sell securities from other investors (think of stock exchanges. Stocks, also known as equities, represent fractional ownership in a company).