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• what negative effect occurs when there is a decrease in air quality? faster evaporation of water in the soil the drying out of fertile land, resulting in dust bowls the melting of glaciers and polar ice caps increased illnesses that result in a decrease in population
  
• how are genetic mutations passed from parent to offspring? responses a sex cells divide to create new cells.sex cells divide to create new cells. b mutated gametes (sex cells) fuse to create offspring.mutated gametes (sex cells) fuse to create offspring. c genetic mutations occur during dna replication.genetic mutations occur during dna replication. d genetic mutations only occur during meiosis, never mitosis.
  
• a biologist is writing a report about a group of rattlesnakes that all live in the state of florida. all rattlesnakes in this group can breed with one another and produce offspring that can reproduce together. the report includes statistics about the number of these rattlesnakes, their breeding rate, and the ranges of their sizes and other traits. in this report, the biologist is describinga community in florida.a biome in florida.a population in florida.an organism in florida.
  
• what is the minimum number of connections that must be broken or removed before device b can no longer communicate with device c?
  
• which of the following adaptations will help a plant survive in a desert? stem that stores water shallow root system large surface area flat broad leaves
  
• as new firms enter a monopolistically competitive market, profits of existing firms
  
• which three statements are true about the energy flow in an ecosystem? the main source of energy for the ecosystem is the sun. producers convert radiant energy to chemical energy and provide for the entire ecosystem. energy flows from carnivores to herbivores. the maximum amount of energy is received at the highest trophic level. the maximum amount of biomass is present at the lowest trophic level.
  
• a parent has pieces of candy to divide up equally among children. since she cannot break the candy very easily, she decides she's going to hide a few pieces of candy to ensure that each child gets the same amount, but that she will hide as few as possible. how many pieces of candy does each child get and how many pieces are hidden?
  
• which statement best summarizes justice brennan’s opinion? the right to free speech extends to those expressing unpopular ideas. free speech is limited only to nonviolent speech the government can never prohibit the expression of an idea. society can prohibit speech if it is offensive or disagreeable.
  
• jefferson gives a long list of “facts [to] be submitted to a candid world.” give a short explanation of how this list helps jefferson achieve his purpose of justifying a revolution.