1.)The salinity of estuary water is a
equal to the salinity of river water.
b
less than the salinity of river water.
c
less than the salinity of ocean water.
d
greater than the salinity of ocean water.

2.) Estuaries form where

a
a lake evaporates.
b
a river meets the sea.
c
a river becomes dammed.
d
a wetland becomes filled in.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Which level of taxonomy has the fewest organisms?