An alpha particle is composed of

A. nothing
B. two protons and two neutrons
C. one proton and no neutrons
D. one neutron no protons

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture