During the systole phase of the cardiac cycle, the left ventricle contracts and blood is pumped into the aorta. which of these valves prevent a backflow of blood into the left atrium? a. aortic valve b. tricuspid valve c. mitral valve

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;

the correct answer is b