(Q).
You are presented with the question "What keeps penguins warm?" and the following answer choices: - feathers - muscles - Blankets - Animal fur - staying warm - energy - blood - fur and fat Now knowing that feathers help birds fly and provide insulation and penguins rely on their feathers for insulation, choose the best answer.
(A).
feathers

(Q).
You are presented with the question "What comes out of rocks breaking apart?" and the following answer choices: - Pavement - streams - Fossils - loose soil - rivers - flooding - Ground covering - Sediment Now knowing that breaking apart rocks can cause debris and rock debris is also know as sediment, choose the best answer.
(A).
Sediment

(Q).
You are presented with the question "what requires nutrients to grow and heal?" and the following answer choices: - humans - Lobsters - molecules - pigeons - insects - weather - Oak - Mammal Now knowing that an animal requires nutrients to grow and heal and humans are a new type of animal, choose the best answer.
(A).
humans