Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water fit for specific purposes.
<span>According to the competitive exclusion principle, two species cannot continue to occupy the same Habitat
In short, Your Answer would be Option A
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Answer:
the punnet square will be {F} {f}
{f} {F]
Explanation:
Answer:
Option (A) and (C).
Explanation:
Global warming may be defined as the increase in the average earth's temperature. The global warming occurs due to human activities like deforestation and urbanization.
The green houses gases are responsible for increase in the global warming. Gases like water vapor, methane and carbon dioxide can trap the heat and causes global warming. The green house effect is directly proportional to the amount of green house gasses as more heat are trapped by green house gases.
Thus, the correct answer is option (A) and (C).
Answer:
<u>Why do geologists use the geologic time scale?</u>
Because of the time span of Earth's past is so great, geologist use geologic time scale to show Earth's history.
<u>What is the geologic time scale?</u>
The geologic time scale is a record of the geologic events and the evolution of life forms as shown in the fossil record.
<u>How do scientists develop the geologic time scale?</u>
Scientists first developed the geologic time scale by studying rock layers and index fossils worldwide. With this information,scientists placed Earth's rocks in order by relative age. Later, radioactive dating helped determine the absolute age of the divisions in the geologic time scale.
<u>What do the divisions of geologic time scale depend on?</u>
The divisions of the geologic time scale depend on events in the history of life on Earth.
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