What is the relationship between temperature and sea urchins survival?

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

What problem would a person most likely have if her kidney did not work correctly?

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia