Select from: a. Look at usda or an online research service to see what plants have the most water needs. If there are many different species of plants available, you may wish to do some research on the spot.. b. Some may prefer to have their soil fairly dry most of the time, while others need it moist. Some may need the soil to dry out in between waterings.. c. Calculate the number of indoor plants you want. You can get a total of 3.5 inches (7.6 cm) per square foot of floor space or a saucer per l corner of your habitat.. d. There are lots of different types of plants, and your pollination pattern should be based around the entire variety. Decide which plants really need water and which ones may need less or more water..Choose from options above and answer: What most naturally follows?

How to water indoor plants
Research your specific plants' needs.
Not every type of houseplant has the same watering needs, so educate yourself on the plants you have or are thinking of buying. Don't assume that every plant wants 1 quart of water every two days because all of your plants won't thrive like that.
Answer:
b.