There are more than 90 natural elements; only a few of them are important for life or living. List three of those elements and describe their function in living units. Essay plz

Which system revise and send electrical signals throughout the body

When sodium chloride dissolves in water the sodium cholride dissociates into?

Which statement best explains the difference between weather and climate? the weather of an area is the same as its climate. the weather is the climate of an area over a period of time. the climate of an area depends on the weather. the climate is the weather patterns over a long period of time