In the investing sense, securities are broadly defined as financial instruments that hold value and can be traded between parties. In other words, it's a catch-all term for stocks, bonds, mutual funds, exchange-traded funds or other types of investments you can buy or sell.
The ~unequal~ statuses of different individuals in a society. for example, a doctor has a higher social status than a janitor working at the same hospital. the doctor might be awarded for his work, while the janitor is mostly ignored. the doctor may also have come from a fairly wealthy family and received a good education, while the janitor may have had economic disadvantages and a poor quality education. so the doctor and the janitor are socially unequal. social inequality is very closely connected to economic inequality, so if you ever see the phrase "socio-economic inequality," that's why.
The answer to your question is indigo
It could be B. building extra space in a factory & C. Switching to cheaper fuel, together. GO with B.
