HURRY!When turning on a light, what scientific condition are you causing to make the lights work?A. double circuitB. open circuitC. closed circuitD. cut circuit

Charlie is easily winded during soccer practice and wants to improve his cardiorespiratory fitness. which activity would be best for him to choose? lifting weights walking from one class to another running in a 5k race riding a bike at a leisurely pace

During his workout yesterday, anthony pushed himself by lifting heavier weights. today he is feeling good, but his muscles are sore. what principle is at work in this situation? a. specificity b. progression c. overload d. reversibility

True or false. mucous membranes secrete mucus that traps pathogens.