Three friends were walking along a Beach in New England. They looked closely at the Sand and noticed it was made up of tiny particles of Rock. They had different ideas about where the Sand came from.

 the probability (assumptions)of where the sand came from by the three friends may be

a. the thought that  the sand came from distant mountains and landforms.

b. the thought that the sand came from rocks on the ocean floor.”

c. he thought that  the sand came from undersea mountains and sea floor formations.

the best answer to this is the first probability answer (a)the thought that  the sand came from distant mountains and landforms.

it is very essential as a student to have an idea about weathering, erosion, deposition, and landforms.  if students/ individuals can identify/recognize that sand on a  beach may have come from distant mountains  and landforms due to rock weathering , deposition or erosion.

Explanation:

it has to be understood that the sea water contains a huge amount of sodium and chlorine ions and if they enter the cell of the atlantic cod fish, the cell will shrivel and the fish will die. to avoid such a condition, the fish uses active transport for the purpose of removing the ions against the gradient.

explanation:

the atlantic cod is not a maritime osmoconformer. its native application of salts is less than that of the seawater it lives in. it is continually falling water from the gills to the ocean via osmosis.

countering that, the fish is going to be swallowing seawater. but since its internal collection of salts is lower than seawater, the fish will want to go free of excess salt, and since that's going upon a gradient, then active transport, requiring energy, must be used to pump out the salt. much marine fish use the organs to filter out the salt and these fish discharge very straight urine.

i think its white blood cells

i hope this