Study these images 1: A gas stove burner. 2: Dry, brown beans. 3: Different types of vegetables. 4: A field of wheat.

Which image shows a nonrenewable resource?

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2
3
4

Iwill give extra points to who gets this right

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?