Want to help local soils? Look for bare, open areas in your yards, fields or nearby community gardens. By adding nutrients and texture to these, "you're adding to the soil, making sure it's alive," Murphy says.

at hatfield elementary school, there are 504 students in 7 classes. each class has the same number of students. what is a good estimate of the number of students in each class?

what excerpt? i would generally think a.

i would believe it would be b., the author wants to draw the reader deeper into the experience