· What re two process that result in rocks being broken down into smaller pieces?
a. Sunlight and glacial melting
b. Chemical weathering and physical weathering.
c. Chemical weathering and deposition
d. Physical weathering and humus.

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics

Visualize the structural formula of each of the following hydrocarbons. which hydrocarbon has a double bond in its carbon skeleton?