Expand the following:
-(-3 x - 9 y - 49)
-(-49 - 3 x - 9 y) = -(-49) - -3 x - -9 y:
-(-49) - -3 x - -9 y
-(-49) = 49:
49 - -3 x - -9 y
-(-3) = 3:
49 + 3 x - -9 y
-(-9) = 9:
Answer: 49 + 3 x + 9 y
The ground-level ozone is a harmful air pollutant that can be a danger to one's health. It is commonly created by chemical between oxides and nitrogen. Similar to ground-level ozone, smog can also be a danger to one's health, especially to the lungs. It is a mixed smoke and fog.
Answer:
Sulfuric Acid Droplets
Explanation:
"Venusian clouds are thick and are composed mainly (75–96%) of sulfuric acid droplets. These clouds obscure the surface of Venus from optical imaging, and reflect about 75% of the sunlight that falls on them.
Carbon dioxide: 96.5 %
Sulfur dioxide: 150 ppm
Water vapor: 20 ppm
Carbon monoxide: 17 ppm" by the Wikipedia
Answer:
look the same all over the Earth
Explanation:
