Which are structures of the excretory system? Select four options. kidney
spleen
bladder
esophagus
ureter
urethra

Which describes the changes in the earths motion?

Hey everybody i need with a biology question. all the gametes of isogamous organisms are genetically identical. true false

Which individual would be the safest from a lightening strike? a. a person standing 8 miles away b. a person on a bike 8 miles away c. a person in a tent 8 miles away d. a person in a house 8 miles away select the best answer from the choices provided a b c d