The esophagus has to be flexible to allow for food to travel from the mouth to the stomach
Answer: validity of data, claims, hypotheses, and observations
Explanation:
Answer:
Photosynthesis is the process by which green plants prepare their own food. They prepare their own food because they have chlorophyll in them.
Example: green plants like flowering plants, red algae, etc..
Consumers are the organisms that consume this food prepared by the plants. They cannot prepare food by itself. They don't have chlorophyll so they cannot prepare their own food.
Example: human, animals, plants that does not have chlorophyll, etc..
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Multilateral nations are those who do not have the resources to carry on productive trade agreements.
A. Skeletal and muscular
the other three don’t have to do with this type of internal movement though as the abdominal region and internal organs don’t have to do with this, A is the only possible answer
