Identify the element present in each star based on the gaps observed in the wavelengths of its light. Refer to this table containing the absorption wavelengths (in nm) of several elements

Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine

The zone, which exists from a depth of 0 to 600 feet, is home to the majority of ocean life.

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?