Answer:
The Paleozoic involved the appearance of fish, and eventually of life moving onto land. The Mesozoic was dominated by dinosaurs. The Cenozoic started with the extinction of the dinosaurs, and included the development of birds and mammals. ... The Mesozoic Era ended with another extinction.
<span>The </span>portion<span> of </span>Europe inside the<span> interior of the </span>northern<span> Circle where the </span>day-star<span> is in the </span>atmosphere<span> pretty late at </span>twilight<span> in the </span>summertime. <span>The arctic domain are named the 'lands of the </span><span>midnight sun</span>' since in the summertime, the day-star<span /><span> never sets.</span>
Answer: b is ineffective pointing lights on billboards and street signs upward
