The wings of pterosaurs developed for fins of swimming marine reptiles. Indicate whether the statement is true or false
F
Environmental & Atmospheric Sciences
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The proportion of carbon dioxide in Earth’s atmosphere has been decreasing steadily for the past 200 years.
Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
Which EU country has recently established formal border controls along one of its borders?
A) Germany B) France C) Italy D) Belgium E) Denmark
Environmental & Atmospheric Sciences
Nucleic acid is to ________, as lipid is to ________.
A. Cellulose structure; genetic storage B. Cellular membrane structure; energy storage C. Genetic storage; cellular membrane structure D. Energy storage; genetic storage E. Energy storage; cellulose structure
Environmental & Atmospheric Sciences
In which nation or region do cities have the highest degree of urban sprawl?
A) Europe B) Canada C) Australia D) United States
Environmental & Atmospheric Sciences