What are some of the potential health hazards from windblown dust, apart from respiratory and eye
irritation? What will be an ideal response?
A disturbing finding has been the identification of pesticides, herbicides, viruses, bacteria, and fungi in
windblown dust. African dust in the Caribbean, for example, contains microbes that are about 25%
plant pathogens and 10% human pathogens.
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Identify the four steps to tropical deforestation.
What will be an ideal response?
Which of the following often forms after continental rifting?
a) a new continent b) a new mountain c) a transform boundary d) a subduction zone e) a new ocean basin
A recent study indicated that more than 60% of human pathogens are zoonoses, meaning that they ________
A) are transmitted via the sinuses and respiratory tracts of animals B) can be transmitted between animals and humans C) originate in humans and spread to various species of animals D) can infect any animal species
Canada has the world's largest reserve of tar (oil) sands
Indicate whether the statement is true or false