Why has Earth’s climate changed so rapidly in recent years? A The sun has gotten much hotter. B People are eating too many plants. C People are burning too many fossil fuels. D The Earth is rotating too slowly to cool off effectively.

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.