What has needle-like leaves, no flowers, and produce seeds?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

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

Which label correctly identifies what x represents in the concept map?