For each real-world example below, list the variables(constant independent and dependent) , and relationship(direct or inverse) Explain your reasoning.

1 If the valve on an appliance is opened more, then the demand for propane vapor increases. The cylinders below contain liquid propane that boils off gas vapor to provide fuel to appliances.
Constant:
Independent:
Dependent:
Relationship: Direct or Inverse
Explanation:

2 Your friend is riding his bike and you notice the flap, flap sound of an airless tire. When you discover the flat tire, you help your friend using a pump to add air to the tire.

Constant:
Independent:
Dependent:
Relationship: Direct or Inverse
Explanation:
3 You are on a hot air balloon when all of a sudden it starts floating into the sky. Your younger sibling is freaking out and you must explain the reasoning the hot air balloon is floating off the ground.

Constant:
Independent:
Dependent:
Relationship: Direct or Inverse
Explanation:

Holozoic nutrition refers to the regular animal nutrition mode whereas saprophytic nutrition refers to the nutrition mode of fungi and bacteria.

Hunting in the darksome fish rely on senses beyond sight. in the darkness of the marianas trench, a fish called the rattail has an extremely sensitive sense of smell. the fish uses scent, rather than sight, to steer toward food. once it's near food, the rattail uses a special organ on the bottom of its chin to guide itself by feel.marine snowone staple of the deep sea diet is "marine snow," flakes of organic, edible substances that sink down from the upper ocean. animals at the ocean's bottom find sustenance in everything from the bodies of dead creatures to fecal matter. marine snow is diverse enough to support numerous species. for instance, several species of snails and worms feed exclusively on deceased whales.microorganismsthe deep sea is an intricate ecosystem, and even the ocean floor itself plays a part. hydrothermal vents are cracks in the sea floor where erupting magma mixes with ocean water to produce plumes of hot, sulfur-rich chemicals. some microbes can use these chemicals for energy, sustaining their existence and that of the animals who depend on their roles in the deep sea food chain.

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