they are so unique and seen often
Answer:
Bone strength is influenced by changes in the structure (size and shape) and composition [cortical (compact) bone, trabecular (sponge-like) bone, amount of cartilage] of the bone. 6 A high peak mass at a young age and the decrease of bone loss at a later age are two ways to reduce osteoporosis risk.
Explanation:
The Hellenistic (Greek) mathematician who invented the compound pulley and is known for his work with the laws governing simple machines was C. Archimedes.
The answer to this item is letter A. Stratification
The word refers to how the layers of sediments are stacked over another layer. This sediments can range from hundreds or meters to only submillimeter scale. The stratification is the most fundamental feature of the sedimentary rocks.
The small scale stratification is a result of different kinds of stratification and alternating process of deposition in the same or similar environment. There are several types of stratification: (1) cross-bedding, (2) graded bedding, (3) ripple marks, etc.
