Are father cell’s diploid or haploid?

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Which statements best describe the atoms of the gas neon? check all that apply