Answer:
A compass
Explanation:
A compass tells you which direction you are going whether that be North, East, South, or West. A map I'd a picture or drawing of a certain area.
Answer:
The answer should be
NaI→2Na+I2. :)
Light waves are compressed into higher frequencies
The answer is the Bursae. A bursa (plural bursae) is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of viscous synovial fluid. It provides a cushion between bones and tendons and/or muscles and also reduces friction. The major bursae are located next to the tendons near the large joints, such as elbows, shoulders, hips, and knees.