All of the following are examples of chemical reactions EXCEPT * Water changing from liquid to steam
Apple turning brown from oxygen hitting it
baking soda and vinegar creating bubbles
cellular respiration creating energy

Water changing from a liquid to a gas (steam)

Explanation:

When water changes states of matter it is considered a physical change. Not a chemical one.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.