Write the next sentence in this paragraph:

How to care for air plants
Find your plant's discs.
Air plants have tiny silver discs or scales all over their leaves. If you look closely at an air plant in bright light, you will see the discs shimmering.

Possible answers: (A). If the discs are caught on a sunny windowsill during the day, they will emit an orange glow. But what if you pick up an air plant from a nursery and tear apart the discs into separate tubes? Inspect the air plant. (B). These discs absorb moisture and nutrients for the plant. Water air plants every two to three days during spring, summer and fall. (C). The discs should be about an inch to an inch thick. Choose a space for the air plants. (D). If you bring your plant into direct sunlight, your air bulb should spark and ignite when you leave it. If it doesn't ignite, leave it out to dry.
(B).