Which of the following best summarizes the author's thesis in the passage? A
The heat produced by power plants often attracts congregations of marine life such as jellyfish.
B
Many disruptions that are attributed to human activity are actually triggered by natural causes.
С
Expanding populations of jellyfish are causing increasing problems in many parts of the world.
D
Predation by jellyfish poses a significant threat to commercial fisheries worldwide.
E
Jellyfish have recently developed adaptations that enable them to live in a wider variety of ocean environments.

1)which is the following was characteristic of the british colonies but not the french or spanish religion a. presence of slavery b. religion conversion c. smuggling and piracy d. strict racial hierarchy 2)how did the columbia exchange affect europe? a diseases from the new world decimated the population of the european continent b new crops introduced to europe generated further interest in the new world c enslavement of american indians in europe changed cultural attitudes toward slavery d the items produced by american indians become objects of competition in europe