Does natural selection occur when which of the following conditions are met? A. Variations between individual organisms lead to differential survival chances.

B. The conditions in an ecosystem support a wide range of living organisms

C. Individual organisms depend on each other to obtain available resources.

D. Habitat and nutrient resources in an area are plentiful over a long period of time.

this is math not biology xd

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

it is either c or d and i know for sure it is not a or b

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.