The cretaceous-tertiary extinction, the most famous of all the big five, has been attributed to what major event that triggered the fall of the dinosaurs?

a. an asteroid hitting the earth
b. increased competition from mammals
c. rapid growth of forests on land surfaces
d. glaciation

The chart shows data on the construction of dreadnoughts, or armed battleships, by 1914. (look at chart provided) a logical conclusion that can be drawn from this chart is that britain and germany were a.)engaged in an arms race. b.)looking for ways to cooperate. c.)hoping not to fight on land. d.)the strongest nations on the earth.

What project establish leonardo da vincis reputation as a creative and talented engineer

What do u think caused the size of the roman empire to change