Because there is nothing to hear
Photosynthesis is when plants turn light from the sun into food (energy). The light from the sun is turned into energy by using chlorophyll. Chlorophyll absorbs blue and red light to turn Co2 and H2o into glucose.
sludge
<span>Sewage treatment is also known as wastewater treatment. It is
a process whereby contaminant is removed from wastewater. Thus, chemical,
biological and physical process are commonly used to remove contaminants from
wastewater and the by-products of wastewater treatment is usually inform of
solid waste known as sewage sludge.</span>
GENE controls traits and inheritance
Bees wax is biotic.
Biotic means something that is related to or resulted from living things. Bio means life. Bees wax are produced by honey bees. It comes from a living thing, thus, it is biotic.
Water, temperature, and snow are all abiotic. Abiotic means "no life" or nonliving. They are not derived from any living thing.
