Answer:1. How are the sponge and leaf alike?Both sponges and leaves are porous, meaning they have small openings or holes that allow for the passage of air or water. Leaves have stomata for gas exchange, and sponges have pores for water circulation.2. How are the sponge and rock different?Sponges are living organisms, while rocks are inanimate objects. Sponges are typically soft and flexible, whereas rocks are generally hard and rigid.3. How are crayon and paper clip alike?Both crayons and paper clips are solid objects used in everyday tasks. Crayons are used for drawing and coloring, while paper clips are used for holding papers together.4. How are the crayon and rock different?Crayons are made from wax and pigments, designed for marking and coloring, while rocks are natural mineral aggregates. Crayons are relatively soft and can be easily broken or melted, while rocks are typically hard and durable.5. How are the leaf and paper clip different?A leaf is a natural, living part of a plant, primarily involved in photosynthesis, while a paper clip is a manufactured metal object used for organization. Leaves are organic and biodegradable, whereas paper clips are inorganic and typically reusable.