The writing materials,the envelopes and the stamps are all made of paper and this led to a great waste as the papers have to be disposed after use. This is not the case with electronic mails. Electronic mails do not need paper at all and it has drastically reduce the amount of papers that is used in writing letters.
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Answer:
a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
<span>C.) the amount of water and sunlight each plant received
NOT:
</span>A.) the materials the plants' pots were made of
B.) the shape and size of the bean plants' leaves
D.) the type of bean plant<span>
</span>When Mendel discovered inherited traits, one trait he looked at was the height of bean plants. The offspring of two tall bean plants was likely to be tall <span>itself.</span><span> </span><span>Robert tries to reproduce Mendel's experiment, but he finds no relationship between the heights of the plants he grows and the heights of their parent plants. </span><span>
</span>
When the wave breaks, air bubbles are mixed into the water, turning the waves bright white in the surf zone. Wave energy that passes through water is transferred to the shoreline in the surf zone
Answer:
Elements and compounds cannot be broken down into simpler substances by an ordinary process because of the following reasons.
1) Elements cannot be broken down by chemical or physical methods because elements is composed of atoms which are indivisible.
2) Compound cannot be broken down into simpler substances by ordinary process because elements present in the compound are combined with each other chemically.