Deserts are dry, hot, and don’t get much rain. coastal regions are usually humid, with tropical or subtropical climate, wet, gets a good amount of rain, and has a lot of trees.
Refraction occurs when light's direction changes.
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Answer:
Movements of joints and orientation of bones forming the elbow and knee joint results in a hinge type joint used for extension and flexion of arm and legs.
<u>Explanation:</u>
- Knees and Elbow exhibits as the major sectional parts in the body and it is used to move arms and legs.
- Hinge Joint present in the elbow and knees provides flexibility in moving the arms and legs in our body.
- The common disorder occurs in the joint is Osteoarthritis and it mostly affects the age of people around 40-50.
- These disorders cause pain in joints of the leg and elbow.
Homozygous dominant allele is RR
