Lucy is studying at the desk in the corner of her room. her brother is watching television in the living room. lucy's room is separated from the living room by a wall with an open doorway at one end. the television set is near the middle of the wall. lucy concludes that sound can pass through the wall because it is not soundproof. which statement gives a plausible alternative to lucy's explanation

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Contrast how pollination is different among gymnosperms and angiosperms.

Select the word from the list that best fits the definition a system made of 25 satellites