How does the author develop her ideas in the text? In What Killed the Dinosaurs?

The author uses scientific evidence to develop ideas about what killed the dinosaurs.

Explanation:

The author develops the text's ideas by presenting evidence supported by several scientific researches. That's because the author claims that there is scientifically proven evidence that an asteroid caused a violent impact that wiped out the dinosaurs. This is because, the author continues, the impact generated several climatic changes that contributed a lot to the extinction of animals.

ich statement best shows a problem in travels with charley?

one sharp difficulty presented itself. in the intervening twenty-five years my name had become reasonably well known.

this being so, my trip demanded that i leave my name and my identity at home.

i had to go alone and i had to be self-contained, a kind of casual turtle carrying his house on his back.

with all this in mind i wrote to the head office of a great corporation which manufactures trucks.

halibut, flounder, tuna, and trout are all fish. so your first answer is 1.) fish. and since fish is edible, your next answer would be 3). edible

to describe those fishes more thoroughly, some of those fishes live in fresh water, and some of the fishes live in salt water, and that is not a thing that they all have in common. the question is asking what is common with all of the fish, so answer choices 2). fresh water and 4). salt water are not right.