Answer:
option a.....only half of the illuminated surface on moon is visible
The correct answer is I and III only.
Innovative ideas may someday lead to a new way of addressing significant marine issues. Efficiency and Maintenance and recurring costs should be considered when evaluating the costs and benefits of a new innovative process.
Every cell in the body is enclosed by a cell (Plasma) membrane. The cell membrane separates the material outside the cell, extracellular, from the material inside the cell, intracellular. It maintains the integrity of a cell and controls passage of materials into and out of the cell.
In comparison to the embryo, the fetus has more recognizable external features and a more complete set of developing organs. The entire process of embryonic development involves coordinated spatial and temporal changes in gene expression, cell growth and cellular differentiation.
Answer:
solar energy
Explanation:
It takes 12 hours to be renewed because the sun is only up for that amount of time