Answer:
Researchers haven’t yet discovered an effective vaccine for HIV. Advances in technology and medical capabilities have brought more advanced HIV treatments.
Explanation:
Answer:
A concentric contraction because muscles cause the elbow joint and arm to move is the correct answer.
Explanation:
Answer:
Depth perception, or a three-dimensional view of the world, develops between 5 and 8 months. This helps an infant identify edges and drops and determine which of two objects is closer. Depth perception allows babies to track people's movements and reach for objects by judging how far away they are.