Which of the following might be a concern for an endurance athlete who has been diagnosed with iron-deficiency anemia?

a. decreased immunity
b. decreased mitochondria
c. decreased oxygen-carrying capability
d. decreased flexibility

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates