Viruses are considered to be nonliving because they
a. cannot multiply.
b. use energy to grow.
c. are smaller than bacteria.
d. do not show all the characteristics of life.

When creating a plan for the use of space in an early childhood educational setting, it is best to plan for clear passageways throughout the classroom. design only small, cozy spaces so that children feel safe. keep check-in and check-out areas outside the room. thoroughly conceal the toilet and hand-washing area for privacy.