<span>At what age do babies understand object permanence?
10 months</span>
Answer:
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Other common conditions that affect the skeletal system include: Osteoporosis: This is a disease in which the bones become fragile and prone to fracture. Leukemia: This is a cancer of the white blood cells. Osteopenia, osteitis Deformans, and osteomalacia: Similar to osteoporosis, these are other types of bone loss
Explanation:
Sound waves are sent out buy the animal/or vessel using sonar and the animal/vessel uses the echo from the original Soundwave that was sent out to determine the distance and size of the object that it hit
