Answer:
Which phrase defines altitude?
Explanation:
- how tightly molecules are packed
- a column of air pushing on an area
- the force pushing on an area or a surface
- the height of a given point above sea level
Answer:
D. the availability of jobs
Explanation:
Answer:
35. The sum of two numbers is greater then either number = <em>TRUE</em>
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36. The product of two positive numbers is greater than either number = TRUE
37. The difference between two integers is less than either integer = TRUE but only of positive integers.
Explanation:
35.
Let's say we have 2+3. That equals 5, which is higher then both 2 and 3 ( ofc ).
36.
Also true, you can use the same formula above to see it.
37.
Two integer's difference is less than either integer, but only if your using positive integers
<span>The four main systems of the
Earth are the rocks, water, air and life. Mountains, volcanoes, hills, plateaus,
sand, pebbles represent the rocks. These are where most of the plants and vegetation
takes place. Also, these are where most of the organisms that lives on land take
place. Oceans, rivers, ponds, lakes, waterfalls represent the water. These are
where most of the organisms that lives on water is located. It is said that earth
consists of 70% of water and the rest are land. Air is the reason why all of
the microorganisms living on earth are alive because of its composition, 21%
oxygen and 79% nitrogen. And life, the organisms that dwells on earth.</span>
Answer:
Pollution is the degradation of the environment by human activities. This not only concerns chemical compounds, but also sound, light, radiation and the like. These things can be natural, such as carbon dioxide and phosphate, and unnatural, such as plastics and man-made isotopes.
Pollution is referred to when the concentration of the substance or the intensity of the phenomenon is significantly above the normal level. Environmental pollution can pose a danger to humans (including health and prosperity) and nature (including biodiversity).
There are about 150,000 chemicals in use in the world and only about 1,000 are regularly monitored. Due to the lack of knowledge and monitoring, there is not enough information about the toxicity and effects that chemicals can have on an ecosystem and humans.
