*Question*
You are presented with the question "A spectrum is formed by refraction of light by separating light into all different what?" and the following answer choices: - categories - dyes - photons - pigments - light - colors - Energy. - energy Now knowing that arainbow is formed by refraction of light by separating light into all different colors and introduction A rainbow is often given as an everyday example of a spectrum, choose the best answer.
**Answer**
colors

*Question*
You are presented with the question " _ food can prevent spoilage" and the following answer choices: - chemical changes - Cooking - Enzymes - Dehydration - layers of fat - irradiating - disease - electricity Now knowing that irradiating food can be used to kill existing microorganisms in the food and some microorganisms cause meat to spoil, choose the best answer.
**Answer**
irradiating

*Question*
You are presented with the question "Unique leaf adaptions on some plants have enabled them to do what?" and the following answer choices: - rapid expansion - To avoid death - survive in dry environments - reducing acid rain - photosynthesis - refraction of light - prevent heat loss - it keeps an organism warm Now knowing that conserving water can be used for survival in a dry environment and many plants have developed unique leaf adaptations in order to conserve water, choose the best answer.
**Answer**
survive in dry environments

*Question*
You are presented with the question "What provides protection for internal organs?" and the following answer choices: - fur - cuticle - ribs - skin - plasma - brain - coats - fat Now knowing that bone provides protection for soft tissues and internal organs and vertebrae, ribs, appendages, and the jaw are endoskeletal bone, choose the best answer.
**Answer**
ribs