**20 points** ASAP 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.

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

What is the key to the recognition of codominance?

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.