Answer:
Human diploid cells have 23 pairs of chromosomes. Because of independent assortment during meiosis I, there are 223, or 8.4 million possible gametes that may be created even if crossing over didn't occur.
- Make sure taps and such have no leaks.
- Keep a bucket underneath taps and use the water saved in them for gardening.
- Avoid flushing the toilet when unnecessary ("If it's yellow let it mellow, if it's brown flush it down"). And avoid throwing tissues in the toilets, instead throw in a proper bin.
- Never put water down the drain when there may be another use for it such as cleaning or watering a plant or garden.
- Water lawns during the early morning hours when temperatures and wind speed are the lowest. This reduces loss from evaporation.
<span>- In the school yard, use mulch to retain moisture in the soil. Mulching also helps to control weeds that compete with plants for water.
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Answer:
A
Explanation:
DNA encoded all genetic information that has to be transferred from generation to generation
Answer:
Carbon, Hydrogen and oxygen are three elements
Explanation:
a molecule of sugar composed of 12 atoms of carbon, 22 atoms of hydrogen, and 11 atoms of oxygen (C12H22O11)
Answer:
All food chains start with energy from the sun.