Answer:
Explanation:
Possible Essays for Life Science:
1. "Explain four management strategies to improve the quality of drinking water. Uncle Two sources of water pollution and Two effect of water pollution on human health.
"
2. "Eutrophication is one of most important water quality problem South Africa. Describe Eutrophication, what causes it and how it affects water quality."
3. "Describe the significance of DNA replication and meiosis and how the foetus is protected and nourished in the uterus."
4. "Describe how meiosis contribute to genetic variation and how
abnormal meiosis leaf to down syndrome and polyploidy. Also
describe advantages of polyploidy in agriculture.
"
Answer:
DNA is the molecule which determines our eye colour, enzyme production and body structure.
Answer:
Carbon makes up the majority of a tree's bulk. The carbon originates from the photosynthesis of carbon dioxide. Plants transform the sun's energy into chemical energy, which is trapped inside the bonds of carbon molecules formed from atmospheric carbon dioxide and water during photosynthesis. Yes, carbon dioxide from the air we breathe ends up in "food" molecules (called glucose), each of which includes six carbon atoms (and 12 hydrogen atoms and 6 oxygen atoms). There is, however, a downside to this. Plants utilise the energy contained in part of the carbon molecules they create to keep themselves alive and proliferate.Explanation:
Answer:
B
Explanation:
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one,
Plant #1 would locate in a damp and probably contain no undergrowth. Example forest.
Plant #2 would locate in a dry area such as a desert example cactus, as the waxy coating keeps water and the spines suck up water and protect the plany
