A recipe for fruit salad includes cup of grapes for 4 servings. How many cups of grapes are needed for 30 servings of this fruit salad?

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water

Which of the following sentences uses an incorrect verb? a. there is only one good candidate. b. many good candidates are possible. c. a good candidate is hard to find. d. there is many possible candidates.