Bones are held together at the joints by connective tissue called ligaments, muscles, cartilage, or orperiosteum.

Ligaments

Explanation:

The bones are held together by ligaments. The ligament is a type of connective tissue. This is made up of yellow elastic fibre. It is connective tissue proper. The ligament is elastic in nature. Due to its elasticity, it provides flexibility to joints.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

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