How does the use of greywater differ from water reclamation?
a.
If collected separately, greywater can be used for certain applications without treatment.
b.
Greywater use is more costly than water reclamation.
c.
Water obtained from water reclamation processes can be used for drinking, while greywater cannot.
d.
Greywater has been mixed with sewage while water used in water reclamation is derived from cleaning water.

Please select the best answer from the choices provided

A
B
C
D

Dna replication or repair occurs in a cell in all of thw following situations except when

Several billion years ago which gas was the least prevailant in the atmosphere

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.