Write the name of amoeba found in water causentine dysentry .

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

What is the compliment dna strand to the following sequence: ttgactaggcta

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins