The last few decades have seen significant changes in the percentage of women's workforce, especially mothers with underage children, most of whom are working full-time. For example, from March 1975 to March through March 2000, the percentage of mothers with children under the age of 18 rose from 47% to 73%. Thus, According to the data of the U.S. Bureau of Labor Statistics in 2007, this percentage is 71%.
Answer:
B. time lags make it very difficult to judge when the policy will have an effect.
Explanation:
The main argument against using active policymaking is that time lags make it very difficult to judge when the policy will have an effect.
The experiments are:
- The gravitational lensing that experiments use to light around the dark matter such as black hole which makes the light bent.
- The gravity probe B that <span>makes the axes of gyroscopes inside to drift slightly over a period o time, a result that some how relevant to einstein theory
- </span>the Laser Interferometer Gravitational Wave Observatory (LIGO<span>) that found piece of evidences for black hole colission</span>
The "<span>facial feedback hypothesis" </span>proposes that the emotion we experience is influenced by feedback from facial muscles or skin.
The facial feedback hypothesis expresses that facial development can impact passionate experience. For instance, a person who is compelled to grin amid a get-together will really come to discover the occasion a greater amount of a pleasant affair.