5 arrive - 3 leave = 2 left every minute
80 in total - 30 already there = 50 need to arrive
50/2
= 25 minutes
hope this helps :)
Answer:
b. cause gases and particulate matter to remain trapped near the ground.
Explanation:
Temperature inversion simply means warm air been trapped in the atmosphere within a colder layers. it causes gases ,dust, dew and particulate matter to remain trapped near the ground thereby reducing visibility.
<span>The answer is the option C. Altitudinal zonation. Altitudinal zonation is a graph or drawing showing the natural features of ecosystems of mountains at different heights. Several factors affect the ecosystems. On of the most basic and most used is the temperature. The infamous scientist Alexander Von Humbold was first in using the relationship between temperature and the altitude in a mountain in relation with the vegetation. Other factors related with the altitude and the ecosystems are solar radiation, soil composition and humidity.</span>
The aspect of soil characteristic that sieve is used for is : B. Separating soils by grain size
Sieve will act as a filter. People use it to pass the material through sieve to get the desired material , commonly used when searching Gold
hope this helps
Answer:
D. Color Picker
Explanation:
Color Picker
The tool , color picker , enables to select different color options , and can be used to color the map location with different colors , in order to avoid any confusion , and every location , can be easily be located and scanned by using different color options .
Hence , according to the question , the correct answer for the statement is D. Color Picker .
