1.Why is 'yellow spot' of an eye called the area of best vision?

2. Why is it advisable to breath through nose than mouth?

1: The yellow spot of the eye because is center of the horizontal axis of the eye which accommodates maximum number of sensory cells in the eye and hence it is the area of the best vision 2: it could worsen sleep apnea mouth breathing doesn’t warm and moisturizing the air as effectively as nose breathing so the air will most likely irritate your lungs. Pls mark branliest

They both determine the exact age of rocks.

What orders do you have in your chart