How were american farmers in the 1940s impacted by new technology? a. they were able to increase their productivity due to the popularity of tractors. b. they experienced an increase in the demand for fresh foods. c. the introduction of new technology decreased their rate of productivity. d. farmers were not impacted by new technology in the 1940’s.

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment