You wish to collect organisms from the lowest part of the intertidal zone in your study area. To avoid having to swim or dive to collect them, you should time your work to coincide with: a. A spring high tide b. A spring low tidec. A neap high tided. A neap low tide

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