Answer: shale with ammonite, limestone with unknown fossil, basalt, sandstone with trilobite. Hope it helps :)
Explanation:
Hemoglobin is contained in red blood cells,which efficiently carries oxygen from the lungs to the tissues of the body. It also helps in the transportation of carbon dioxide and hydrogen ions back to the lungs.
True.
In the upper layers of the atmosphere, it blocks UV radiation from the sun; however, in the lower layers, it is a pollutant.
Answer:
Robinson explains how she uses layers in fossilized corals to understand what the environment was like overtime. By finding out what mainly makes up each layer and finding out roughly how old each layer is, she can begin to understand what the chemical composition and climate was like when the coral pieces were alive
