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.

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond