Most infants are physically ready to start eating solid foods when they a. can sit up with some back support. b. develop the swallowing reflux. c. lose the let-down reflex. d. have most of their primary teeth.

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