An estuary is an area where a freshwater river or stream meets the ocean. In estuaries, The salty ocean mixes with a fresh water river, resulting in brackish water. Brackish water is someone salty, but not as salty as the ocean. An estuary may also be called a bay, lagoon, sound, or slough.
X-rays are the radiation that allows us to see through the skin to visualize bones
form cell membrane
Explanation:
It provides barriers in cellular membranes to protect the cell , and they make barriers for the organelles with in those cells. It work to provide pathways for various substance across membranes
D. He controlled variables by studying one or two traits at a time
Echinoderms are most closely related to chordates because both are: <span>D)Ectotherms</span>
