What is the probability of pulling a heart from a standard (52-card) deck of playing cards?
a. 25
b. 50
c. 75
d. 1.0

Each autumn the forest floor is covered by leaves that have fallen from trees which type of organisms is most effective in decomposing the leaf tissue allowing the nutrients and minerals to be recycled in the environment?

Which excerpt from act iv of hamlet best provides evidence of the theme’s development?

Which of the following types of stars had the smallest initial mass? which of the following types of stars had the smallest initial mass?