Ascientist is observing surface groundwater features to determine sources of groundwater.

which surface features can the scientist observe and map? check all that apply.

spring
geyser
aquifer
water table
artesian well

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed