If an infant reaches for a toy hidden under a cloth, what does this suggest? a. what it means depends upon the age of the child b. that the child has a mental representation of the object in mind c. it is still random activity at this age d. what it means depends upon the gender of the child

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind