Which of the following is an example of a biotic factor? the salinity level in a salt marsh the temperature of water at the seafloor the shrimp population in a bay the amount of sunlight reaching a seagrass bed

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.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?