Scientists found that the runners in the test who sprinted the slowest had no ACTN3 protein molecules in their bodies. Do you think that this evidence shows that the ACTN3 protein determines running ability?

Kidney stones are tiny crystals of calcium or magnesium that block the narrow sections of the excretory system. which symptoms would a person with kidney stones experience? a. inability to store urine; pain in the bladder b. inability to store urine; pain in the urethra c. reduced urine flow; pain in the bladder d. reduced urine flow; pain in the urethra