Which of the following phases has a variable volume?
solid
liquid
gas
all of the above

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.

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.