Water is poured from a short, broad beaker into a tall, skinny beaker. is there more or less water now? a child answers that it’s the same amount, only it’s taller. the child is in which stage of cognitive development?
a. concrete operational
b. sensorimotor
c. preconventional
d. preoperational

It's most likely choice a, it makes the most sense in my opinion.

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.