What marks the completion of the germinal stage? The egg and sperm unite.

The heart begins beating.

The baby is born.

The stomach and other organs become functional.

The zygote attaches to the uterine wall.

Which of the following is one of the most common causes of collisions? a. driving on the wrong side of the road b. driving too slowly uphill c. tailgating d. eating while driving

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above

Arecent strip mall land development project included large amounts of paved surfaces. as a result of this project, groundwater levels in the developed area will most likely a. increase due to sealed artesian wells b. decrease as aquifers are not recharged c. decrease due to decreased surface runoff d. increase due to loss of unconfined aquifers e. increase due to a decrease in demand for fresh water