farmer brown grows corn for a living. one day, farmer green suggests to farmer brown that he should clone his best corn plant in order to produce more ears of corn per plant. farmer brown is not sure about farmer green's idea.
why might farmer brown be hesitant to clone his corn?
a) cloning the corn plants is difficult and expensive to accomplish.
b) the cloned corn would not have the same taste as the original plants.
c) cloning eliminates the ability to sexually reproduce and provide genetic variability.
d) cloned plants would have increased genetic variability as well as a shortened life expectancy.

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return