Former volcanoes now under the sea are called seamounts, or perhaps submarine volcanoes.
One of these two, and I'd say it's the first one.
Joints:-Joints are the areas where 1 or more bones meet.Most joints are mobile,allowing the bones to move.Joints consist of the following:Cartilage . This is a type of tissuethat covers the surface of a bone at a joint.Next Ligaments:-Ligaments are short bands of tough,flexible tissue,made up of lots of individual fires,which connect the bones of the body together.Ligaments can be found connecting most of the bones in the body.The function of a ligament is to provide a passive unit to amount of movement between your bones.
Answer would be D. The ecliptic would be path the Sun appears to move during the day.
D.The moon’s orbit must cross the plane of the ecliptic
Integumentary system I believe
