Look at the photograph on page 4. Which detail about globular clusters does this photograph make clear?
А Globular clusters are extremely old.
B Globular clusters are made up of billions of stars.
© Globular clusters are spherical in shape.
D Globular clusters are impossible to see without a good telescope.

Even the insistent cough of the woman next to him wasn't enough to draw his eyes away from the tiny type of the ancient book its pages were brittle and felt like they could crumble at the slightest disturbance he noticed the musty odor if each page as he carefully it over.

Which of the following will most likely happen if the pancreas does not produce sufficient insulin? blood sugar will decrease because insulin lowers blood sugar when it rises too high. blood sugar will increase because insulin increases blood sugar when it falls too low. blood sugar will increase because insulin lowers blood sugar when it rises too high. blood sugar will decrease because insulin increases blood sugar when it falls too low.

Reread lines 6-7 "the survivor." determine how the tone of these differs from the preceding lines (1-5)