Which of the following is true about homogeneous mixtures? They consist of two or more phases; They are always liquids; They are known as solutions; They have compositions that never vary

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

Is water wet? my friends are debating.

Plz a person walks 1 mile every day for exercise, leaving her front porch at 9 am and returning to her front porch at 9: 25 am what was the total displacement of her daily walk a. 1 mile b. 0 c. 25 min d. none of the above