Answer:
The bones of the skeletal system protect the body's internal organs, support the weight of the body, and serve as the main storage system for calcium and phosphorus. The muscles of the muscular system keep bones in place; they assist with movement by contracting and pulling on the bones.
Explanation:
The first one is the answer.
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The division of the Earths interior into 3 distinct layers called the core, mantle, and crust is based on Chemical Composition.
Answer:
Light is an essential factor in maintaining plants. The rate of growth and length of time a plant remains active is dependent on the amount of light it receives. Light energy is used in photosynthesis, the plant's most basic process.
Explanation:
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Answer:
The family solanaceae contributes several important food, drug and ornamental plants to human race. Hence this family is considered as economically important. Solanum species: Solanum tuberosum is most important food crop after cereals
Explanation:
