The addition of which of the following sentences would create an effective paragraph?
dogs and cats are both fantastic pets. dogs are loving and playful. cats are clean and self-sufficient. dogs are sometimes hyper. (select a, b, c, or d and place here.) both are effective communicators in their own right. either one would make any lucky owner happy.

a. cats are normally calm and resigned.
b. both animals are fun.
c. reptiles are good pets as well.
d. owners must teach pets how to act.

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.

Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities