Answer:
Measuring a pencil in meters would be very difficult, as a single meter is much longer than one pencil. Also, measuring a hallway in millimeters would be very difficult considering how small millimeters are in comparison to a hallway. However, if you switch these two then they would work very well.
Answer:
The correct option is: d. higher ... lower
Explanation:
Osmosis is a spontaneous process that involves the movement of the solvent particles from the region having <u>low solute concentration to the region having high solute concentration</u>, through a semipermeable membrane. It is a spontaneous process.
Osmosis can also be described as the movement of solvent particles from the region with <u>high solvent concentration to low solvent concentration.</u>
Answer:
the bacteria increase in number and use up the dissolved oxygen in the water. When the dissolved oxygen content decreases, many fish and aquatic insects cannot survive. This results in a dead area. Algal blooms may also be of concern as some species of algae produce neurotoxins.Explanation:
Two astronauts would exhale about 40 moles of carbon dioxide daily.
Carbon dioxide reacts with lithium hydroxide in a 1 : 2 mole ratio. Set up a proportion:
1 : 2 = 40 : x
Then, find x:
<span>12=40x
</span>
Cross multiply. x = 80 moles of LiOH per day for both astronauts