Descriptive investigations involve collecting data about a system, but not making tests or experiments.
Making tests belongs to experimental investigations.
Descriptive investigations aim to draw conclusions from observations of the fenomena, while experimental investigations design tests that let the researcher to compare results on different conditions with a control situation.
There is also the so called comparative investigations which collect data from under different conditions but do not include the control situtation.
Answer:
FALSE
Explanation:
The operational lag of fiscal policy is the time gap between the adoption of a corrective measure and the perception of its effects on the economy. For example, in a recessionary context, analysts and the Fed have no difficulty predicting the economic problem, as there are statistical software and predictive models that can predict recessive economic scenarios. However, through economic policies, the government takes steps to reverse the recessive picture. By their nature, these policies demand a time between their adoption and their effect on the economy, which is operational lag.
Worldwide, tobacco dependence is responsible for about 6 million of death per year. Tobacco industries keep posting advertisement and ads that influence and continuously attract people to become more dependent on it. The government should focus on controlling and preventing these industries. Also, the government<span> there is a need for developments of new policies that can suppress, eliminate or minimize usage of tobacco.</span>
Answer:
B
Explanation:
This is B because coal, oil, and gas produces energy that fuels cars, trains, etc. You also can't forget about taxes.