It should be Ozone, hope that helps.
Trees release CO2 which is Oxygen.
Plants release water vapor through Photosynthesis.
Meiosis- Creation of new individuals, new cell which creates diversity. Created by sperm and egg cell
Mitosis- Creation of new cells, they are the exact same, no difference
Answer:
light reaction and dark reaction.
Ptolemy was an astronomer and mathematician. He believed that the Earth was the center of the Universe. The word for earth in Greek is geo, so we call this idea a "geocentric" theory.With the development of the heliocentric model by Nicolaus Copernicus in the 16th century, the Sun was believed to be the center of the Universe, with the planets (including Earth) and stars orbiting it.
The answer is:
When it is summer in the Northern Hemisphere
